The four-color problem
Subtitle: assaults and conquest [by] Thomas L. Saaty and Paul C. Kainen.
Contributors: Kainen, Paul C., jt. author
Published: 1977
Place of publication: New York, McGraw-Hill International Book Co., c1977
Language: eng
Number of pages: 217
Subjects: Four-color problem
Notes: Includes index.  Bibliography: p. 197-211.