TY  - BOOK
AU  - Burkard R E
AU  - Derigs Ulrich
TI  - Assignment and matching problems: solution methods with FORTRAN program
U1  - 519.3 
PY  - 1980///
CY  - Berlin
PB  - Springer Verlag
KW  - Matching problems and solutions
KW  - Mathematical optimization
ER  -