@book{8889,
	author = {Conference on "Many Facets of Graph Theory", Estern Michigan University, Kalamazoo, 31 Oct.- 2 Nov. 1968 and Kapoor, S. F.},
	title = {Many facets of graph theory},
	publisher = {Springer-Verlag,},
	year = {1969},
	address = {Berlin:}
}