TY  - BOOK
AU  - Nemhauser, George L
AU  - Wolsey, Laurence A
TI  - Integer and combinatorial optimization
T2  - Wiley-interscience series in discrete mathematics and optimization
SN  - 0471359432
U1  - 519.77 
PY  - 1999///
CY  - New York
PB  - Wiley-Interscience
ER  -