TY  - BOOK
AU  - Jensen,Tommy R.
AU  - Toft,Bjarne
TI  - GRAPH COLORING PROBLEMS
SN  - 0471028657
U1  - 511.5 
PY  - 1995///
CY  - 
PB  - John Wiley, New York
KW  - Map_coloring Problem
N1  - Includes Bibliographical References And Index
ER  -