000 nam a22 7a 4500
999 _c13288
_d13288
020 _a0486434796
050 _aQA611W55
100 _aWillard, S
245 _aGeneral Topology
260 _aNew york
_bDover Publication
_c1998
300 _axii,369p.
_bIncludes
650 _vTopology
942 _cSH