S. Beinke, H. Wertz, F. Schutte, H. Grotstollen, and N. Fröhleke, “Identification of nonlinear two-mass systems for self-commissioning speed control of electrical drives,”10.1109/iecon.1998.724071__1998, doi:10.1109/iecon.1998.724071 .
LibreCat: /record/30267
DOI: 10.1109/iecon.1998.724071

P. Wallmeier, J. Richter, N. Fröhleke, H. Grotstollen, L. Langemeyer, and B. Margaritis, “A high efficiency single-phase power factor corrected switched mode rectifier,”10.1109/iecon.1998.724175__1998, doi:10.1109/iecon.1998.724175 .
LibreCat: /record/30268
DOI: 10.1109/iecon.1998.724175

P. Wallmeier, N. Fröhleke, and H. Grotstollen, “Improved analytical modeling of conductive losses in gapped high-frequency inductors,”10.1109/ias.1998.730254__1998, doi:10.1109/ias.1998.730254 .
LibreCat: /record/30266
DOI: 10.1109/ias.1998.730254

P. Wallmeier, N. Fröhleke, and H. Grotstollen, “Automated optimization of high frequency inductors,”10.1109/iecon.1998.724147__1998, doi:10.1109/iecon.1998.724147 .
LibreCat: /record/30269
DOI: 10.1109/iecon.1998.724147

V. Peckhaus, “Zermelo, Ernst (1871–1953),” in Routledge Encyclopedia of Philosophy, Bd. 9: Sociology of knowledge to Zoroastrianism, E. Craig, Ed. London/ New York: Routledge, 1998, pp. 853–855.
LibreCat: /record/17647

V. Peckhaus, “Gentzen, Gerhard Karl Erich (1909–45),” in Routledge Encyclopedia of Philosophy, Bd. 4: Genealogy to Iqbal, E. Craig, Ed. London/ New York: Routledge, 1998, pp. 23–25.
LibreCat: /record/17646

S. Hellebrand, H.-J. Wunderlich, and A. Hertwig, “Mixed-Mode BIST Using Embedded Processors,” in Mixed-Mode BIST Using Embedded Processors, In: M. Nicolaidis, Y. Zorian, D. K. Pradhan (Eds.): On-Line Testing for VLSI, Boston: Kluwer Academic Publishers 1998: Kluwer Academic Publishers, 1998.
LibreCat: /record/13060

S. Hellebrand, H.-J. Wunderlich, and A. Hertwig, “Mixed-Mode BIST Using Embedded Processors,” Journal of Electronic Testing Theory and Applications - JETTA, vol. 12, no. 1/2, pp. 127–138, 1998.
LibreCat: /record/13061

V. Peckhaus, “‘Russell’s Paradox’, Rezension von Alejandro R. Garciadiego. Bertrand Russell and the Origins of the Set-theoretic ‘Paradoxes’. Basel, Boston and Berlin: Birkhäuser Verlag, 1992. Spanish edition: Bertrand Russell y los origines de las ‘paradojas’ de la theoría de conjuntos. Madrid: Alianza Editorial, 1992,” Russell, vol. 17, no. 2 (Winter 1997/98). pp. 181–185 [überarbeitete englische Fassung von “Russell y las ‘Paradojas’”), 1998.
LibreCat: /record/17781

V. Peckhaus, “Helena M. Pycior, Symbols, Impossible Numbers, and Geometric Entanglement. British Algebra through the Commentaries on Newton’s Universal Arithmetic. Cambridge University Press, Cambridge 1997,” Erkenntnis, vol. 49, no. [erschienen im Mai 1999]. pp. 415–419, 1998.
LibreCat: /record/17782