00335nam a2200121Ia 4500008004100000020001900041082002000060100001900080245001700099260004700116300001500163650003500178240817s9999    xx            000 0 und d  a 81-85015-55-4  a001.4226 H212,g  aFrank , Harary 0aGraph theory  c1969a New Delhib Narosa Publishing House  axi, 286 p.  a Computer science engineering.