TY  - BOOK
AU  - Gutin,Gregory
AU  - Punnen,Abraham P.
TI  - The traveling salesman problem and its variations
SN  - 0387444599 (softcover : alk. paper)
PY  - 2007///
CY  - New York
PB  - Springer
KW  - Traveling-salesman problem
KW  - Combinatorial optimization
N1  - Includes bibliographical references (p. 761-806) and index
UR  - http://www.loc.gov/catdir/enhancements/fy0825/2006933131-t.html
ER  -