proceedings of the Conference on Graph Theory, Cambridge Bollobás, Béla. text Amsterdam New York New York, N.Y North-Holland Pub. Co. Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co. 1982 monographic viii, 201 p. : ill. ; 23 cm. Graph theory 511 NOR 1982 A027 Or. 0444864490