00523nam a2200181Ia 4500082001700000100001900017245004500036260003300081300002100114490004700135500000500182690000600187700000500193952009900198964001700297921001000314999001700324  a514bH514.CI  aHenle, Michael  aCombinatorial introduction to topologyb  aSan FranciscobFreemanc1979  axiv, 310p. Index  aA series of books in Mathematical Sciences  a  a   a  00104070aISIbISId1998-09-16l0o514 H514.CIpDP15728r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a11233  c11233d11233