Barnette, David.
Map coloring, polyhedra, and the four-color problem volume. 8 - [Washington, D.C.] : Mathematical Association of America, c1983. - 1 online resource (168 p. : ill.) - Dolciani Mathematical Expositions, v. 8 .
Includes bibliographical references and index.
9781470457174 (online)
Four-color problem.
Map-coloring problem.
Polyhedra.
Map coloring, polyhedra, and the four-color problem volume. 8 - [Washington, D.C.] : Mathematical Association of America, c1983. - 1 online resource (168 p. : ill.) - Dolciani Mathematical Expositions, v. 8 .
Includes bibliographical references and index.
9781470457174 (online)
Four-color problem.
Map-coloring problem.
Polyhedra.