TY  - BOOK
AU  - Fleischmann Bernhard Ed.
ED  - Meeting on operation research (1981 : Hamburg)
TI  - Proceedings on operations research
T2  - Deutsche gesellschafr fur operating research
U1  - B2893p1,N81, M2 
PY  - 1981///
CY  - Berlin
PB  - Springer-Verlag         
ER  -