00338nam a2200133 a 450000500170000008200150001710000150003210000170004724500360006426000420010030000290014263000160017163000170018720251203091154.0  a511.5bBON  aBondy, J.A  aMurty, U.S.R  aGraph theory and related topics  aNew YorkbAcademic publicationsc1979  axxxii,371 p.b22 cm.cHB  aMathematics  aGraph theory