000 00315nam a2200121Ia 4500
008 240112s9999 xx 000 0 und d
082 _aDUT-E
_b514
100 _aDutta, M, et al.
245 0 _aElements of general topology
260 _a Calcutta
_bWorld Press
_c1964
650 _aTopology; Mathematics
942 _cBK
999 _c13431
_d13431