TY  - BOOK
AU  - Gutin, Gregory [ed.]
AU  - Punnen, Abraham P. [ed.]
TI  - The traveling salesman problem and its variations
SN  - 9780387444598
U1  - 511.6 
PY  - 2007///
CY  - New York
PB  - Springer Science+Business Media, Llc
KW  - Traveling-Salesman Problems
KW  - Combinatorial Optimization
ER  -