000 00332nam a2200133Ia 4500
008 240112s9999 xx 000 0 und d
082 _aCRO-P
_b514
100 _aCroom, Fred H
245 0 _aPrinciples of topology
260 _a New York
_bDover Publcations
_c2016
300 _a302
650 _aTopology; Mathematics
942 _cBK
999 _c39059
_d39059