International Conference on Operations Research Berlin, Germany, Drexl, A., Bachem, A., & Derigs, U. (1995). Operations research proceedings, 1994: Selected papers of the International Conference on Operations Research, Berlin, August 30-September 2, 1994. Springer-Verlag.
Chicago-referens (17:e uppl.)International Conference on Operations Research Berlin, Germany, Andreas Drexl, A. Bachem, och Ulrich Derigs. Operations Research Proceedings, 1994: Selected Papers of the International Conference on Operations Research, Berlin, August 30-September 2, 1994. Berlin ; New York: Springer-Verlag, 1995.
MLA-referens (8:e uppl.)International Conference on Operations Research Berlin, Germany, et al. Operations Research Proceedings, 1994: Selected Papers of the International Conference on Operations Research, Berlin, August 30-September 2, 1994. Springer-Verlag, 1995.