S. Krauter and R. Hanitsch, “Optical and Thermal Parameters of PV-Module Encapsulation Improving Output Power,” in Proceedings of the ISES Solar World Congress 1993, Budapest (Ungarn), 23.–27. August 1993, Band 3, S. 249–254, 1993.

F. Meyer auf der Heide, B. Oesterdiekhoff, and R. Wanka, “Strongly adaptive token distribution,” in Automata, Languages and Programming, Berlin, Heidelberg, 1993.

K. Lürwer-Brüggemeier and F. Meyer auf der Heide, “Capabilities and complexity of computations with integer division,” in Lecture Notes in Computer Science, Berlin, Heidelberg, 1993.

X. L. Aubert, R. Haeb-Umbach, and H. Ney, “Continuous Mixture Densities and Linear Discriminant Analysis for Improved Context-Dependent Acoustic Models,” in ICASSP, Minneapolis, 1993.

S. Dobler, D. Geller, R. Haeb-Umbach, P. Meyer, H. Ney, and H. W. Ruehl, “Design and use of speech recognition algorithms for a mobile radio telephone,” Speech Communication, 1993.

R. Haeb-Umbach, D. Geller, and H. Ney, “Improvements in Connected Digit Recognition Using Linear Discriminant Analysis and Mixture Densities,” in ICASSP, Minneapolis, 1993.

V. Steinbiss et al., “The Philips Research System for Large-Vocabulary Continuous-Speech Recognition,” in EUROSPEECH, Berlin, 1993.

S. Hellebrand, S. Tarnick, J. Rajski, and B. Courtois, Effiziente Erzeugung deterministischer Muster im Selbsttest. 5th ITG/GI/GME Workshop “Testmethoden und Zuverlässigkeit von Schaltungen und Systemen”, Holzhau, Germany, 1993.

S. Hellebrand and H.-J. Wunderlich, Synthesis of Self-Testable Controllers. ARCHIMEDES Open Workshop on “Synthesis - Architectural Testability Support”, Montpellier, France, 1993.

H.-P. Lüdeke, J. Maas, N. Fröhleke, and H. Grotstollen, “Controller design for resonant converters by automatable techniques,”10.1109/ias.1993.299003__1993, doi:10.1109/ias.1993.299003 .

L. Heinemann, Modellbildung von Mehrwicklungstransformatoren bei quasi-stationären Feldstärkeverteilungen. 1993.

H.-P. Lüdeke, Untersuchung von Schaltnetzteilen mit kontinuierlichen Resonanzschwingungen. 1993.

S. Venkataraman, J. Rajski, S. Hellebrand, and S. Tarnick, “An Efficient Bist Scheme Based On Reseeding Of Multiple Polynomial Linear Feedback Shift Registers,”10.1109/iccad.1993.580117__1993, doi:10.1109/iccad.1993.580117 .

J. Böcker, J. Janning, and K. Anbuhl, “Realization of a High-Dynamic Discrete-Time Controller for PWM Inverter-Fed Induction Motor Drives,” in EPE’93, Brighton, Brighton, UK, 1993, vol. 4, pp. 158–162.

W. Schnepp, S. Disch, and C. Schmidt, “<sup>2</sup>H NMR study on the lyomesophases of the system hexaethylene glycol dodecyl methyl ether/water Temperature dependence of quadrupole splittings,”10.1080/02678299308027761__Liquid Crystals, vol. 14, no. 3, pp. 843–852, 1993, doi:10.1080/02678299308027761 .

M. E. Rosen, S. P. Rucker, C. Schmidt, and A. Pines, “Two-dimensional proton NMR studies of the conformations and orientations of n-alkanes in a liquid-crystal solvent,”10.1021/j100117a037__The Journal of Physical Chemistry, vol. 97, no. 15, pp. 3858–3866, 1993, doi:10.1021/j100117a037 .

H.-S. Kitzerow and P. P. Crooker, “Electric field effects on the droplet structure in polymer dispersed cholesteric liquid crystals,”10.1080/02678299308029051__Liquid Crystals, vol. 13, no. 1, pp. 31–43, 1993, doi:10.1080/02678299308029051 .

H.-S. Kitzerow, H. Schmid, A. Ranft, G. Heppke, R. A. M. Hikmet, and J. Lub, “Observation of blue phases in chiral networks,”10.1080/02678299308027768__Liquid Crystals, vol. 14, no. 3, pp. 911–916, 1993, doi:10.1080/02678299308027768 .

V. K. Dolganov, O. R. Lourie, G. Heppke, and H.-S. Kitzerow, “Anomalies of the temperature dependence of electrostriction in blue phases,”10.1051/jp2:1993185__Journal de Physique II, vol. 3, no. 7, pp. 1087–1096, 1993, doi:10.1051/jp2:1993185 .

H.-S. Kitzerow and P. P. Crooker, “UV-cured cholesteric polymer-dispersed liquid crystal display,”10.1051/jp2:1993162__Journal de Physique II, vol. 3, no. 5, pp. 719–726, 1993, doi:10.1051/jp2:1993162 .

H. Molsen, R. Bardon, and H.-S. Kitzerow, “Electrooptics of Polymer-Dispersed Ferroelectric Liquid Crystals,” in SID Conference Proceedings, 13th International Display Research Conference, 1993, pp. 113–116.

A. EBBERG, R. Noé, L. STOLL, and R. SCHIMPE, “A COHERENT OFDM SWITCHING-SYSTEM FOR FLEXIBLE OPTICAL NETWORK CONFIGURATION,”10.1109/50.233248__JOURNAL OF LIGHTWAVE TECHNOLOGY, vol. 11, no. 5–6, pp. 847–853, 1993, doi:10.1109/50.233248 .

G. Heppke, H.-S. Kitzerow, and H. Molsen, “Electroclinic Effect in a Polymer-Dispersed Ferroelectric Liquid Crystal,”10.1080/10587259308030159__Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals, vol. 237, no. 1, pp. 471–476, 1993, doi:10.1080/10587259308030159 .

D. Krüerke, H.-S. Kitzerow, G. Heppke, and V. Vill, “First Observation of Selective Reflection and Blue Phases in Chiral Discotic Liquid Crystals,”10.1002/bbpc.19930971032__Berichte der Bunsengesellschaft für physikalische Chemie, vol. 97, no. 10, pp. 1371–1375, 1993, doi:10.1002/bbpc.19930971032 .

M. J. Baena, J. Buey, P. Espinet, H.-S. Kitzerow, and G. Heppke, “Metallomesogens with a Cholesteric Mesophase,”10.1002/anie.199312011__Angewandte Chemie International Edition in English, vol. 32, no. 8, pp. 1201–1203, 1993, doi:10.1002/anie.199312011 .

E. Brab, U. Hilleringmann, and K. Schumacher, “Monolithic System Integration of Optical Devices, Photodetectors and Analog Transimpedance CMOS Amplifiers,” in ESSCIRC ’93: Nineteenth European Solid-State Circuits Conference, 1993, vol. 1, pp. 242–245.

I. Schonstein, J. Muller, U. Hilleringmann, and K. Goser, “Hot Carrier Monitoring in NMOS Transistors by Visible Light Emission,” in ESSDERC ’93: 23rd European solid State Device Research Conference, 1993, pp. 421–424.

U. Hilleringmann, S. Adam, and K. Goser, “Micromechanic pressure sensors with optical readout and CMOS-preamplifiers on one silicon chip: Processing and first results,” 1993.

T. Meier et al., “Time resolved Four Wave Mixing in GaAs/AlAs Quantum Well Structures,” in Optical Phenomena in Semiconductor Structures of Reduced Dimension, D. Lookwood and A. Pinczuk, Eds. Dordrecht: Springer, 1993, pp. 145–155.

H. Schroeter-Wittke, “Christi Himmelfahrt. Predigttext: 1. Könige 8,22-24.26-28,” in Gottesdienstpraxis. Serie A. III. Perikopenreihe Band 2, E. Domay, Ed. 1993, pp. 97–104.

H. Schroeter-Wittke, Kirchentag als vor-läufige Kirche. Der Kirchentag als eine besondere Gestalt des Christseins zwischen kirche und Welt, vol. 13. Stuttegart/Berlin/Köln: W.Kohlhammer, 1993.

I. Müller, Walter Benjamin und Bertolt Brecht - Ansätze zu einer dialektischen Ästhetik in den dreißiger Jahren. , vol. 40. St. Ingbert: Röhrig Verlag, 1993.

R. Diekmann, R. Lüling, B. Monien, and J. Simon, “Implementierung von Simulated Annealing auf Transputer-Systemen,” in Parallele Datenverarbeitung mit dem Transputer, Aachen, 1992, pp. 361–368.

H. Alt and J. Blömer, “Resemblance and symmetries of geometric patterns,” in Data structures and efficient algorithms, Berlin, Heidelberg: Springer Berlin Heidelberg, 1992, pp. 1–24.

M. Kutylowski and R. Wanka, “Periodic Sorting on Two-Dimensional Meshes,”10.1142/s0129626492000349__Parallel Processing Letters 2, pp. 213–220, 1992, doi:10.1142/s0129626492000349 .

N. O. Eke, N. Oellers, K. J. Skrodzki, and H. Steinecke, Nikolaus Lenau. Werke und Briefe. Historisch-kritische Gesamtausgabe. Bd. 6,2: Briefe 1838-1847. Teil 2: Anmerkungen (Edition). Wien: Deuticke, Klett-Cotta, 1992.

N. O. Eke, A. Vizkelety, K. J. Skrodzki, and H. Steinecke, Nikolaus Lenau. Werke und Briefe. Historisch-kritische Gesamtausgabe. Bd. 5,2: Briefe 1812-1837. Teil 2: Anmerkungen (Edition). Wien: Österreichischer Bundesverlag, Klett-Cotta, 1992.

S. Krauter and R. Hanitsch, “Improvement of PV-Performance by Partly Structured Surfaces,” in Proceedings of the 6th Photovoltaic Science and Engineering Conference, New Delhi (Indien), 10.–14. Februar 1992, Vol 1, S. 1110., New Delhi (Indien), 1992.

S. Krauter, “Hinweise zur Modellbildung und Simulation des Strahlungseinfalls in PV-Module,” in Solar Energy Simulation Workshop der DGS, Oldenburg (Deutschland),  Oldenburg (Deutschland), 1992.

S. Krauter and R. Hanitsch, “Reflexionsverringerung an PV-Modulen durch partiell strukturierte Deckgläser.,” in Tagungsband des Achten Internationalen Sonnenforums, Berlin (Deutschland), 30. Juni – 3. Juli 1992, S. 736–741, 1992.

S. Krauter, R. Hanitsch, R. Diwisch, and N. Diwisch, “Measuring the Heat–Transfer Coefficient of PV-Modules,” presented at the 2nd World Renewable Energy Congress, Reading (UK), 13.–18. September 1992, 1992.

S. Krauter and R. Hanitsch, “Performance of a Partly Structured Surface at a PV-Module,” in Proceedings of the 11th European Photovoltaic Solar Energy Conference and Exhibition, Montreux (Schweiz), 12.–16. Oktober 1992, S. 1351–1354, 1992.

M. Dellnitz, M. Golubitsky, and I. Melbourne, “Mechanisms of Symmetry Creation,” in Bifurcation and Symmetry, Basel, 1992.

M. Dellnitz, J. E. Marsden, I. Melbourne, and J. Scheurle, “Generic Bifurcations of Pendula,” in Bifurcation and Symmetry, Basel, 1992.

M. Dietzfelbinger and F. Meyer auf der Heide, “High performance universal hashing, with applications to shared memory simulations,” in Data structures and efficient algorithms, Berlin, Heidelberg, 1992.

F. Meyer auf der Heide, “Hashing strategies for simulating shared memory on distributed memory machines,” in Lecture Notes in Computer Science, Berlin, Heidelberg, 1992.

F. Meyer auf der Heide and H. T. Pham, “On the performance of networks with multiple busses,” in STACS 92, Berlin, Heidelberg, 1992.

M. Dietzfelbinger and F. Meyer auf der Heide, “Dynamic Hashing in Real Time,” in TEUBNER-TEXTE zur Informatik, Wiesbaden, 1992.

X. L. Aubert, H. Ney, and R. Haeb-Umbach, “The Philips Research System for Continuous-Speech Recognition: Overview and Evaluation on the DRAPA RM Task,” in DRAPA Speech Workshop, 1992.

D. Geller, R. Haeb-Umbach, and H. Ney, “Improvements in Speech Recognition for Voice Dialling in the Car Environment,” in ESCA Workshop on Speech Recognition in Adverse Conditions, Cannes-Mandelieu, 1992.

R. Haeb-Umbach, “A modified trellis coding technique for partial response channels,” IEEE Transactions on Communications, 1992.

R. Haeb-Umbach and R. Lynch, “Trellis codes for partial-response magnetooptical direct overwrite recording,” IEEE Journal on Selected Areas in Communications, 1992.

R. Haeb-Umbach and H. Ney, “Linear Discriminant Analysis for Improved Large Vocabulary Continuous Speech Recognition,” in ICASSP, San Francisco, 1992.

H. Ney, R. Haeb-Umbach, B. H. Tran, and M. Oerder, “Improvements in Beam Search for 10,000-Word-Continuous Speech Recognition,” in ICASSP, San Francisco, 1992.

S. Hellebrand, S. Tarnick, J. Rajski, and B. Courtois, Generation of Vector Patterns through Reseeding of Multiple-Polynomial LFSRs. Institut National Polytechnique de Grenoble, Grenoble, France, 1992.

S. Hellebrand, S. Tarnick, J. Rajski, and B. Courtois, Generation of Vector Patterns through Reseeding of Multiple-Polynomial LFSRs. IEEE Design for Testability Workshop, Vail, CO, USA, 1992.

S. Hellebrand, S. Tarnick, J. Rajski, and B. Courtois, Generation of Vector Patterns through Reseeding of Multiple-Polynomial LFSRs. Workshop on New Directions for Testing, Montreal, Canada, 1992.

N. Fröhleke, J. Kunze, A. Fiedler, and H. Grotstollen, “Contribution to the AC-analysis of resonant converters; analysis of the series-parallel resonant converter including effects of parasitics and lossless snubbers for optimized design,”10.1109/apec.1992.228408__1992, doi:10.1109/apec.1992.228408 .

J. Kunze, N. Fröhleke, H. Grotstollen, B. Margaritis, and F. Locken, “Resonant power supply for barrier discharge UV-excimer sources,”10.1109/ias.1992.244321__1992, doi:10.1109/ias.1992.244321 .

N. Fröhleke, Topologien und Schalterkonzepte für Schaltnetzteile hoher Leistung bei geringer Ausgangsspannung. 1992.

Y. Wang, Pulswechselrichtergespeiste Drehstromantriebe unter Berücksichtigung des Stromlückens. 1992.

H.-J. Wunderlich and S. Hellebrand, “The Pseudoexhaustive Test of Sequential Circuits,”10.1109/43.108616__IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems (TCAD), vol. 11, no. 1, pp. 26–33, 1992, doi:10.1109/43.108616 .

S. Hellebrand, S. Tarnick, J. Rajski, and B. Courtois, “Generation of Vector Patterns through Reseeding of Multiple-Polynomial Linear Feedback Shift Registers,”10.1109/test.1992.527812__in IEEE International Test Conference (ITC’92), 1992, pp. 120–129, doi:10.1109/test.1992.527812 .

E. MEISSNER, R. Noé, B. BORCHERT, and H. RODLER, “DIRECT MODULATION 565 MBIT/S OPTICAL PSK HETERODYNE SYSTEM WITH SOLITARY SL-QW-DFB LASERS USING NOVEL SUPPRESSION OF PHASE-TRANSITION PERIODS IN CARRIER RECOVERY,”10.1049/el:19921458__ELECTRONICS LETTERS, vol. 28, no. 25, pp. 2266–2268, 1992, doi:10.1049/el:19921458 .

R. Noé et al., “FULLY ENGINEERED COHERENT MULTICHANNEL TRANSMITTERS AND RECEIVERS WITH LOW-COST POTENTIAL,”10.1049/el:19920009__ELECTRONICS LETTERS, vol. 28, no. 1, pp. 14–16, 1992, doi:10.1049/el:19920009 .

R. Noé and K. DROGEMULLER, “ACCURATE AND SIMPLE OPTICAL FREQUENCY STABILIZATION FOR A COHERENT MULTICHANNEL SYSTEM,”10.1109/68.136502__IEEE PHOTONICS TECHNOLOGY LETTERS, vol. 4, no. 5, pp. 505–506, 1992, doi:10.1109/68.136502 .

H.-S. Kitzerow, P. P. Crooker, and G. Heppke, “Chromaticity of polymer-dispersed cholesteric liquid crystals,”10.1080/02678299208029037__Liquid Crystals, vol. 12, no. 1, pp. 49–58, 1992, doi:10.1080/02678299208029037 .

H.-S. Kitzerow and P. P. Crooker, “Behaviour of polymer dispersed cholesteric droplets with negative dielectric anisotropy in electric fields,”10.1080/02678299208029010__Liquid Crystals, vol. 11, no. 4, pp. 561–568, 1992, doi:10.1080/02678299208029010 .

H.-S. Kitzerow, F. Xu, and P. P. Crooker, “Microscopic observations of axial and radial nematic droplets for a dual-frequency addressable liquid crystal,”10.1080/02678299208032817__Liquid Crystals, vol. 12, no. 6, pp. 1019–1024, 1992, doi:10.1080/02678299208032817 .

R. Noé, E. MEISSNER, B. BORCHERT, and H. RODLER, “DIRECT MODULATION 565 MB/S DPSK EXPERIMENT WITH 62.3 DB LOSS SPAN AND ENDLESS POLARIZATION CONTROL,”10.1109/68.163762__IEEE PHOTONICS TECHNOLOGY LETTERS, vol. 4, no. 10, pp. 1151–1154, 1992, doi:10.1109/68.163762 .

H.-S. Kitzerow, P. P. Crooker, J. Rand, J. Xu, and G. Heppke, “Electrostriction dynamics of blue phase II crystallites,”10.1051/jp2:1992132__Journal de Physique II, vol. 2, no. 3, pp. 279–284, 1992, doi:10.1051/jp2:1992132 .

V. K. Dolganov, G. Heppke, and H.-S. Kitzerow, “Dynamic response of a blue phase to an applied field,”10.1051/jp2:1992236__Journal de Physique II, vol. 2, no. 10, pp. 1803–1809, 1992, doi:10.1051/jp2:1992236 .

H.-S. Kitzerow, J. Rand, and P. P. Crooker, “Dynamics of polymer-dispersed cholesteric liquid crystals,”10.1051/jp2:1992126__Journal de Physique II, vol. 2, no. 2, pp. 227–234, 1992, doi:10.1051/jp2:1992126 .

F. Xu, H.-S. Kitzerow, and P. P. Crooker, “Electric-field effects on nematic droplets with negative dielectric anisotropy,”10.1103/physreva.46.6535__Physical Review A, vol. 46, no. 10, pp. 6535–6540, 1992, doi:10.1103/physreva.46.6535 .

H.-S. Kitzerow, H. Molsen, and G. Heppke, “Linear electrooptic effects in polymerdispersed ferroelectric liquid crystals,”10.1063/1.106762__Applied Physics Letters, vol. 60, no. 25, pp. 3093–3095, 1992, doi:10.1063/1.106762 .

H.-S. Kitzerow, H. Molsen, and G. Heppke, “Helical unwinding in polymer-dispersed ferroelectric liquid crystals,”10.1002/pat.1992.220030506__Polymers for Advanced Technologies, vol. 3, no. 5, pp. 231–235, 1992, doi:10.1002/pat.1992.220030506 .

H. Molsen, H.-S. Kitzerow, and G. Heppke, “Antiferroelectric Switching in Polymer-Dispersed Liquid Crystals,”10.1143/jjap.31.l1083__Japanese Journal of Applied Physics, vol. 31, no. 8A, Art. no. L1083, 1992, doi:10.1143/jjap.31.l1083 .

H. Molsen, H.-S. Kitzerow, and G.  Heppke, “Deformed-Helix Ferroelectric Effect in Polymer-Dispersed Ferroelectric Liquid Crystals,” SID Digest of Technical Papers, vol. XXIII, pp. 773–775, 1992.

P. P. Crooker and H.-S. Kitzerow, “Blue Phases,” Condensed Matter News, vol. 1, pp. 6–11, 1992.

U. Hilleringmann, S. Adams, and K. Goser, “A Silicon Technology for Monolithic Integration of Optical Waveguides, Photodetectors and VLSI CMOS Circuits,” in Proceedings ISSSE’92, 1992, pp. 304–307.

S. Adams, U. Hilleringmann, and K. Goser, “Electrooptical coupling of waveguides and VLSI circuits integrated on one silicon chip,” in EFOC LAN, 1992, pp. 92–92.

T. Meier et al., “Distribution of exciton binding-energies in disordered semiconductor quantum-wells,”10.1109/QELS.1999.807538__in Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference, Baltimore, MD, USA, 1992, p. 204, doi:10.1109/QELS.1999.807538 .

T. Meier et al., “Influence of carrier-correlations on the optical Stark effect of semiconductors,”10.1109/QELS.1999.807099__in Technical Digest. Summaries of Papers Presented at the Quantum Electronics and Laser Science Conference, Baltimore, MD, USA, 1992, pp. 14–15, doi:10.1109/QELS.1999.807099 .

T. Meier, A. Schulze, S. Scmittrink, P. Thomas, and S. L. Chuang, “Terahertz Electromagnetic Pulse Generation and Four-Wave Mixing in Coupled Quantum Wells,” presented at the International Quantum Electronics Conference 1992, Vienna, Austria, 1992.

G. Jonas-Ahrend, “Physics Education in East and West Germany,” presented at the Annual Meeting of the American Educational Research Association, San Francisco/USA, 1992.

N. O. Eke, “Diskussionsberichte zu den Sektionen 2 (eRoman“) und 3 (eDramen“) sowie der Abschlußdiskussion des 1. Internationalen Corvey-Symposions,” in Die Fürstliche Bibliothek Corvey. Ihre Bedeutung für eine neue Sicht der Literatur des frühen 19. Jahrhunderts. Beiträge des 1. Internationalen Corvey-Symposions. 25.-27. Oktober 1990 in Paderborn, R. Schöwerling, H. Steinecke, N. O. Eke, and G. Tiggesbäumker, Eds. München, 1992, pp. 1743181, 3193321, 3983404.

P. Büker and S. Kampe, “Auf den Spuren der alten Stadtmauer: Ein Unterrichtsgang um die Altstadt Paderborns,” in Paderborn - vom Werden und Wachsen unserer Stadt (Materialien, Unterrichtsentwürfe, Arbeitsmittel),  (Paderborner Geographische Studien; Bd.3), D. Düsterloh, Ed. Paderborn: Selbstverlag des Faches Geographie der Universität-GH-Paderborn, 1991, pp. 105–109.

V. Peckhaus, Ed., Modern Logic 1 (1990/91), H. 2/3 (Winter 1990/91), Special issue commemorating the centenary of the publication of the first volume of Ernst Schröder’s Vorlesungen über die Algebra der Logik, vol. H. 2/3. 1991.

V. Peckhaus, “Introduction,” Modern Logic, vol. 1, no. 2/3, pp. 113–116, 1991.

N. O. Eke, Ed., Die erfundene Wahrnehmung. Annäherung an Herta Müller. Paderborn: Igel, 1991.

G. Domik, “The role of visualization in understanding data,” in New Results and New Trends in Computer Science, 1991, pp. 91–107.

S. Krauter, R. Hanitsch, and P. Strauss, “Simulation-Program for Selecting Efficiency Improving Strategies of PV-Module-Encapsulations under Operating Conditions,” in Proceedings of “Renewable Energy Sources ”, Prag (CFSR), 1.–4. Juli 1991, Band 3, S. 48–53., Prag (CFSR), 1991.

P. Stelter and W. Sextro, “Bifurcations in Dynamic Systems with Dry Friction,” in Bifurcation and Chaos: Analysis, Algorithms, Applications, vol. 97, R. Seydel, F. W. Schneider, T. Küpper, and H. Troger, Eds. Birkhäuser Basel, 1991, pp. 343–347.

G. Domik and K. Mickus, “Visualization in the Analysis Cycle of Observational Data, in Analyzing and Modeling Data and Knowledge,” in Proceedings of the 15th Annual Conference of the “Gesellschaft für Klassifikation e.V.” University of Salzburg, Salzburg, 1991, pp. 267–276.

R. Haeb-Umbach and H. Ney, “A Look-Ahead Technique for Large Vocabulary Continuous Speech Recognition,” in EUROSPEECH, Genova, 1991.

S. Hellebrand, Synthese vollständig testbarer Schaltungen. Verlag Düsseldorf: VDI Verlag: Verlag Düsseldorf: VDI Verlag, 1991.

V. Peckhaus, “Ernst Schröder und die ,pasigraphischen Systeme‘ von Peano und Peirce,” Modern Logic, vol. 1, no. 2/3, pp. 174–205, 1991.

J. Böcker and J. Janning, “Discrete-Time Flux Observer for PWM Inverter-Fed Induction Motors,” in EPE’91, Florence, 1991, Florence, Italy, 1991, vol. 2, pp. 171–176.

J. Böcker, “Discrete-time model of an induction motor,” European transactions on electrical power, vol. 1, no. 2, pp. 65–71, 1991.

V. Peckhaus, “Kurt Grelling und der Logische Empirismus [Abstract],” in Mitteilungen des Instituts für Wissenschaft und Kunst 46 (1991), Nr. 2 (= eWien 4 Berlin 4 Prag. Der Aufstieg der wissenschaftlichen Philosophie. Internationales Symposion aus Anlaß der Centenarien von Rudolf Carnap (189131970), Hans Reichenbach (189131953), Edgar Zilsel (189131944)“), 1991, vol. 46, no. 2, p. 24.