TY  - BOOK
AU  - Wilson,Robert
TI  - Graphs, colourings, and the four-colour theorem
SN  - 0198510624 (acidfree paper)
AV  - QA 612.19 .W55 2002
U1  - 511/.5 21
PY  - 2002///
CY  - Oxford, New York
PB  - Oxford University Press
KW  - Four-color problem
KW  - Graph coloring
N1  - Includes bibliographical references (p. 136-138) and index
UR  - http://www.loc.gov/catdir/enhancements/fy0614/2002319187-d.html
UR  - http://www.loc.gov/catdir/enhancements/fy0614/2002319187-t.html
ER  -