Domik G, Mickus K. Visualization in the Analysis Cycle of Observational Data, in Analyzing and Modeling Data and Knowledge. In: Schader M, ed. Proceedings of the 15th Annual Conference of the “Gesellschaft Für Klassifikation e.V.” University of Salzburg. ; 1991:267-276.

Haeb-Umbach R, Ney H. A Look-Ahead Technique for Large Vocabulary Continuous Speech Recognition. In: EUROSPEECH, Genova. ; 1991.

Hellebrand S. Synthese Vollständig Testbarer Schaltungen. Verlag Düsseldorf: VDI Verlag: Verlag Düsseldorf: VDI Verlag; 1991.

Böcker J, Janning J. Discrete-Time Flux Observer for PWM Inverter-Fed Induction Motors. In: EPE’91, Florence, 1991. Vol 2. ; 1991:171-176.

Böcker J. Discrete-time model of an induction motor. European transactions on electrical power. 1991;1(2):65-71.

Müller W. Contract-Oriented System Design and Specification. In: Proceedings of the Workshop on Practical Computer Based Systems Engineering - Its Scope and Methods. ; 1991.

Lehrenfeld G, Müller W. Validation of EXPRESS Models Using Prolog. In: Proceedings of the 1st EXPRESS User’s Group Conference. ; 1991.

Noé R, RODLER H, EBBERG A, et al. COMPARISON OF POLARIZATION HANDLING METHODS IN COHERENT OPTICAL-SYSTEMS. JOURNAL OF LIGHTWAVE TECHNOLOGY. 1991;9(10):1353-1366. doi:10.1109/50.90934

Lasser R, Rösler M. Linear mean estimation of weakly stationary stochastic processes under the aspects of optimality and asymptotic optimality. Stochastic Processes and their Applications. 1991;38(2):279-293. doi:10.1016/0304-4149(91)90095-t

Goser K, Hilleringmann U, Rückert U. Application and implementation of neural networks in microelectronics. In: Prieto A, ed. Artificial Neural Networks. Springer Berlin Heidelberg; 1991:243–259.

Hilgert J. Varadarajan, V.S. An Introduction to Harmonic Analysis on Semisimple Lie Groups (Cambridge University Press, 1989). JBer DMV. 1991;94(4).

Hilgert J. Terras, A. Harmonic Analysis on Symmetric Spaces I and II (Springer, New York, 1985 und 1988). JBer DMV. 1991;93(2).

Hilgert J, Ólafsson G, Orsted B. Hardy Spaces on Affine Symmetric Spaces. J reine und angew Math. 1991;415:189-218.

Hilgert J. Group Theoretical Aspects of Gödels Model. In: Hilgert J, ed. Jahrbuch Der Gödel Gesellschaft. ; 1991.

Hilgert J. Infinitesimally Generated Subsemigroups of Motion Groups. Rocky Mount J Math. 1991;21:865-878.

Hilgert J, Neeb K-H, eds. Lie-Gruppen und Lie-Algebren. Vieweg Verlag; 1991.

Hilgert J. Onishchik, A.L., und E.B. Vinberg. Lie Groups and Algebraic Groups (Springer, New York, 1990). Zentralblatt. 1991;722.

Rösler M. On optimal linear mean estimators for weakly stationary stochastic processes. In: Orthogonal Polynomials and Their Applications (Erice, 1990). IMACS Ann. Comput. Appl. Math., 9,; 1991:373–378.

Alt H, Blömer J, Wagener H. Approximation of convex polygons. In: Automata, Languages and Programming. Berlin/Heidelberg: Springer-Verlag; 1990:703-716. doi:10.1007/bfb0032068

Hohenstein U, Engels G. Formal Semantics of an Entity-Relationship Query Language. In: Proceedings of the 9th International Conference on Entity-Relationship Approach (ER 90), Lausanne, Switzerland. ER Institute; 1990:177-188.