Graver, Jack E. Combinatorics with emphasis on the theory of graphs by Jack E. Graver, Mark E. Watkins - New York Springer-Verlag 1977 - xv, 351p., incl bibl. & ind. - Graduate Text in Mathematics V.54 . ISBN: 0387902457 LCCN: 77-1200 Dewey Class. No.: 511.6 / N774