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Bechstedt F, Pulci O, Schmidt WG. Theoretical Aspects of the Optical Response of Semiconductor Surfaces. physica status solidi (a). 1999;175(5):5-16. doi:10.1002/(sici)1521-396x(199909)175:1&#60;5::aid-pssa5&#62;3.0.co;2-9

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Frisch AM, Schmidt WG, Bernholc J, Pristovsek M, Esser N, Richter W. (2×4)GaP(001) surface: Atomic structure and optical anisotropy. Physical Review B. 1999;60(4):2488-2494. doi:10.1103/physrevb.60.2488

Schmidt WG, Briggs EL, Bernholc J, Bechstedt F. Structural fingerprints in the reflectance anisotropy spectra ofInP(001)(2×4)surfaces. Physical Review B. 1999;59(3):2234-2239. doi:10.1103/physrevb.59.2234

Peckhaus V, Thiel C, eds. Disziplinen im Kontext. Perspektiven der Disziplingeschichtsschreibung. Fink-Verlag; 1999.

Ide P, Froehleke N, Grotstollen H, Korb W, Margaritis B. Operation of a three-phase/three-level-rectifier in wide range and single-phase applications. In: IECON’99. Conference Proceedings. 25th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.999). IEEE; 1999. doi:10.1109/iecon.1999.816448

Beineke S, Wertz H. Design of extended Kalman filters for high performance position control of electrical drives. In: 1999 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (Cat. No.99). IEEE; 1999. doi:10.1109/aim.1999.803168

Maas J, Schulte T. High performance speed control for ultrasonic motors. In: 1999 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (Cat. No.99). IEEE; 1999. doi:10.1109/aim.1999.803148

Peckhaus V. Abduktion und Heuristik. In: Nida-Rümelin J, ed. Rationalität, Realismus, Revision.Vorträge des 3. Internationalen Kongresses der Gesellschaft für Analytische Philosophie. Vol 23. Perspektiven der Analytischen Philosophie. Walter de Gruyter; 1999:833-841.

Peckhaus V. Philosophie im Wissenskontext. Von der Unverzichtbarkeit historischer Philosophiegeschichtsschreibung. In: Buchholz K, Rahman S, Weber I, eds. Wege der Vernunft. Philosophieren zwischen Tätigkeit und Reflexion. Campus Verlag; 1999:27-37.

Peckhaus V. Chancen kontextueller Disziplingeschichtsschreibung in der Mathematik. In: Peckhaus V, Thiel C, eds. Diszilinen im Kontext. Perspektiven der Disziplingeschichtsschreibung. Fink-Verlag; 1999:77-95.

Peckhaus V. Moral Integrity during a Difficult Period: Beth and Scholz. Philosophia Scientiae (Nancy) 3 (4) (1998/1999) Themenheft: Un logicien consciencieux La philosophie de Evert Willem Beth. Published online 1999:151-173.

Peckhaus V. 19th Century Logic: Between Philosophy and Mathematics. In: Tattersall JJ, ed. Proceedings of the Canadian Society for the History and Philosophy of Mathematics. Société Canadienne d’Histoire et Philosophie Des Mathématiques, Bd. 11: Twenty-Fourth Annual Meeting. University of Ottawa. Ottawa, Ontario, May 29–31, 1998. ; 1999:1-20.

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Fröhleke N, Pieper R, Mundinger H, Grotstollen H. Computer aided investigation of the auxiliary resonant commutated pole converter for wide range applications such as welding power supplies. In: IECON’99. Conference Proceedings. 25th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.999). IEEE; 1999. doi:10.1109/iecon.1999.816530

Peckhaus V. Martin Kusch, Psychologism. A Case Study in the Sociology of Philosophical Knowledge. (Philosophical Issues in Science) London/New York: Routledge 1995. Berichte zur Wissenschaftsgeschichte. 1999;22:33-34.

Peckhaus V. Gunter Scholtz (Hrsg.): Historismus am Ende des 20. Jahrhunderts. Eine Internationale Diskussion. Akademie-Verlag, Berlin 1997. Philosophischer Literaturanzeiger. 1999;52:240-242.

Peckhaus V. Ansgar Beckermann, Einführung in die Logik. Walter de Gruyter, Berlin/New York, 1997 (Sammlung Göschen; 2243). Zeitschrift für allgemeine Wissenschaftstheorie. 1999;30:176-178.

Peckhaus V. On Deepening Foundations: Hilbert’s Axiomatic Program between Pragmatics and Naturalism [Abstract]. In: Cachro J, Kijania-Placek K, eds. International Union of History and Philosophy of Science. 11th International Congress of Logic, Methodology and Philosophy of Science. Volume of Abstracts. August 20–26, 1999, Cracow, Poland. The Faculty of Philosophy, Jagiellonian University; 1999:447.