TY  - BOOK
AU  - Henn, R, ed.
TI  - Optimization and operations research: Proceedings of a Workshop held at the University of Bonn, October 2-8, 1977
U1  - 658.4033 L497H:O 
PY  - 1978///
CY  - New York
PB  - Springer-Verlag
ER  -