TY  - BOOK
AU  - Gutin, Gregory and Punnen, Abraham P 
AU  - Punnen, Abraham P ; jt. ed.
TI  - The traveling salesman problem and its variations
T2  - Combinatorial Optimization 
SN  - 1402006640
U1  - 519.91015116 
PY  - 2002///
CY  - Dordrecht
PB  - Kluwer Academic Publication
ER  -