00381nam a2200121Ia 4500008004100000082001900041100001900060245005900079260003800138300001400176440003900190700003000229251029b        |||||||| |||| 00| 0 eng d  a511.6bG775.CE  aGraver, Jack E  aCombinatorics with emphasis on the theory of graphsb/  aNew York:bSpringer-Verlag,c1977  axv, 351p.  aGraduate texts in Mathematics ; 54  aWatkins, Mark E.eauthor.