00735nam a22002171 4500 1/17870 011004s1989 enk 1 eng d 0444874895 18396 DLC GR-PeUP 511.5 BE Berge, Claude. Hypergraphs: combinatorics of finite sets/ Claude Berge Amsterdam; North Holland, 1989. ix, 255 p.: ill., 25 cm. North-Holland mathematical library; Includes bibliographical references Hypergraphs. North-Holland mathematical library ; 45. INST UNIPILB MAIN 20040709 511.5 BE 00137013 00137013 LOAN 0 1 /webopac/covers/01/18396_0444874895.jpg