TY  - BOOK
AU  - Lawler,Eugene L.
TI  - Combinatorial optimization: networks and matroids 
SN  - 0486414531 (pbk.)
PY  - 2001///
CY  - Mineola, N.Y.
PB  - Dover Publications
KW  - Combinatorial optimization
KW  - Matroids
KW  - Network analysis (Planning)
KW  - Computational complexity
KW  - Algorithms
N1  - Originally published: New York : Holt, Rinehart, and Winston, c1976
ER  -