TY  - BOOK
AU  - Bachem Achim ed.
ED  - Workshop on Combinatorial Optimization (4th : 1980 : Bonn)
ED  - Workshop on Combinatorial Optimization
TI  - Combinatorial optimization: lecture
U1  - 519.3 
PY  - 1982///
CY  - Amsterdam
PB  - North Holland
KW  - Combinatorial optimization
ER  -