A. Trächtler, “Simulation dynamischer Systeme mit dem Programmsystem PILAR,” Fortschritte in der Simulationstechnik, vol. Bd. 1. Hrsg.: F. Breitenecker, I. Troch, P. Kopacek. Braunschweig: Vieweg, pp. 395-397, 1990.

A. Trächtler and B. Lohmann, “Berechnung der Nullstellen quadratischer Mehrgrößensysteme,” at-Automatisierungstechnik, pp. 353-354, 1990.

U. Hohenstein and G. Engels, “Formal Semantics of an Entity-Relationship Query Language,” in Proceedings of the 9th International Conference on Entity-Relationship Approach (ER 90), Lausanne, Switzerland, 1990, pp. 177–188.

S. Krauter and R. Hanitsch, “The Influence of the Capsulation on the Efficiency of PV-Modules.,” in Proceedings of the 1st World Renewable Energy Congress, Reading (UK), 23.–28. September 1990, Band 1, S. 141–144., Reading (UK), 1990.

G. Engels, “Elementary Actions on an Extended Entity-Relationship Database,” in Proceedings of the workshop on Graph Grammars and Their Application to Computer Science (1990), Bremen (Germany), 1990, vol. 532, pp. 344–362.

M. Dietzfelbinger and F. Meyer auf der Heide, “A new universal class of hash functions and dynamic hashing in real time,” in Automata, Languages and Programming, Berlin/Heidelberg, 1990.

F. Meyer auf der Heide, “Dynamic hashing strategies,” in Lecture Notes in Computer Science, Berlin/Heidelberg, 1990.

M. Karpinski and F. Meyer auf der Heide, “On the complexity of genuinely polynomial computation,” in Lecture Notes in Computer Science, Berlin/Heidelberg, 1990.

M. Dietzfelbinger and F. Meyer auf der Heide, “How to distribute a dictionary in a complete network,” in Proceedings of the twenty-second annual ACM symposium on Theory of computing  - STOC ’90, 1990.

J. Gil, F. Meyer auf der Heide, and A. Wigderson, “Not all keys can be hashed in constant time,” in Proceedings of the twenty-second annual ACM symposium on Theory of computing  - STOC ’90, 1990.

F. Meyer auf der Heide, “Das Heinz Nixdorf-Institut der Universität-GH Paderborn,” Informatik Spektrum, vol. 13, no. 4, pp. 231–232, 1990.

G. Domik, E. W. Brugel, and R. E. Stencel, “IRAS On-Line Catalogs at CASA,” in Proceedings of the 176th meeting of the American Astronomical Society, 1990, vol. Vol. 22, no. No. 2.

B. Fuchssteiner and G. Oevel, “Action-Angle Representation of Multisolitons,” Appl. Math. Lett., no. 3, pp. 75–78, 1990.

G. Oevel, B. Fuchssteiner, and M. Blaszak, “Action/Angle Variables and Asymptotic Data,” in Nonlinear Evolution Equations and Dynamical Systems, S. Carillo and O. Ragnisco, Eds. Berlin-Heidelberg-New York: Springer, 1990.

G. Oevel, B. Fuchssteiner, and M. Blaszak, “Action-Angle Representation of Multisolitons by Potentials of Mastersymmetries,” Prog. Theor. Phys., vol. 83, pp. 395–413, 1990.

G. Oevel, Reduktion integrabler Systeme auf ihre Multisoliton Mannigfaltigkeiten. Universität-Gesamthochschule Paderborn, 1990.

R. Haeb-Umbach, D. Rugar, T. Howell, and G. P. Coleman, “Coding and Signal Processing for a Magneto-optic Resonant Bias Coil Overwrite Experiment,” in International Conference on Communication, Atlanta, 1990.

G. Domik, E. Brugel, R. Stencel, S. Vasudevan, and J. Pang, “Applications of IRAS Preprocessing at the Workstation,” in Bulletin of the American Astronomical Society, 1990, vol. 22, p. 828.

G. Domik, E. W. Brugel, R. E. Stencel, J. Pang, and S. Vasudevan, “Workstation-based preprocessing of IRAS sky-flux images,” Publications of the Astronomical Society of the Pacific, vol. 102, no. 656, p. 1167, 1990.

K. Mickus, E. Brugel, G. Domik, and T. Ayres, “A case study: Multi-sensor data analysis of hh objects via star: A scientific toolkit for astrophysical research,” in Bulletin of the American Astronomical Society, 1990, vol. 22, p. 1259.