A meta-calculus for formal system development. PhD dissertation Weber, M. 1991. Muenchen 1991. (GMD-Bericht. 195.) Fak. f. Informatik, Diss. v. 19.12.1990., Universität Karlsruhe (TH)
Seismic investigations around the EGT in Central Europe Prodehl, C.; Giese, P. 1991. In: The European Geotraverse: Integrative studies - results from the 5th Earth Science Study Center, Strasbourg 1990. Hrsg.: R. Freeman. S. 77-97
EGT central segment refraction seismics Aichroth, B.; Prodehl, C. 1991. In: Proceedings of the 6th EGT Workshop "Data Compilation and Synoptic Interpretation", Strasbourg 1990. Hrsg.: R. Freeman. S. 105-127
Constraint-based query optimization for spatial databases Helm, R.; Marriott, K.; Odersky, M. 1991. Proceedings of the 10th ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems. Denver, Colo. 1991, Association for Computing Machinery (ACM)
Social and family factors in shift design Knauth, P.; Hornberger, S.; Schönfelder, E. 1991. European Foundation for the Improvement of Living and Working Conditions
Supraleitung Komarek, P.; Rietschel, H. 1991. Karlsruhe : KfK, 1991 Mit Anlage: Veroeffentlichungen auf dem Gebiet der Supraleitung in den Jahren 1989 und 1990
ITER test program Abdou, M.; Baker, C.; Casini, G.; Chazalon, M.; Dalle Donne, M.; Daenner, W.; Gohar, Y.; Kuroda, T.; Kovalenko, V.; Kirillov, I.; Malang, S.; Mattas, R.; Mori, S.; Muraviev, E.; Raffray, A. R.; Shatalov, G.; Smith, D.; Strebkov, Y.; Tillack, M.; Yoshida, H. 1991. Wien : IAEA, 1990 (ITER Documentation Series ; No. 24)