00319nam a2200121Ia 4500082001700000100002300017245007700040260003200117300001000149490002800159500000500187700000500192  a514bL767.TP  aLipschutz, Seymour  aTheory and problems of general topology; including 650 solved problemsb  aNew YorkbMcGraw-Hillc1965  a239p.  aSchaum's outline series  a  a