00362nam a2200133 a 450000500170000002000150001708200130003210000170004524500540006226000290011630000270014549000390017270000170021120251203110503.0  a3540781110  a514bSIN  aSinger, I.M.  aLecture Notes on Elementary Topology and Geometry  aNew YorkbSpringerc1967  aviii, 232p.c22 cm. PB  aUndergraduate Texts in Mathematics  aThorpe, J.A.