000 00248nam a22001097a 4500
082 _a514.322 DUT/E
100 _aDutta, Mahadev
245 _aElements of general Toplogy
260 _aCULCUTTA
_bTHE WORLD PRESS
_c1964
300 _a187p
942 _cBK
999 _c74890
_d74890