00357nam a2200133 a 450000500170000002000150001708200130003210000150004524500540006026000290011430000250014349000390016870000160020720251203110738.0  a8181282248  a514bSIN  aSinger I.M  aLecture notes on elementary topology and geometry  aNew YorkbSpringerc1967  aviii, 232p.c24cm PB  aUndergraduate Texts in Mathematics  aThorpe J.A.