TY  - BOOK
AU  - Summer School in Combinatorial Optimization, SOGESTA, Italy, May 30-June 11, 1977
AU  - Christofides, Nicos ; ed.
TI  - Combinatorial optimization; proceedings
U1  - 658.4034 
PY  - 1979///
CY  - New York
PB  - John Wiley
N1  - "A Wiley interscience publication"
ER  -