000 00429nam a2200145Ia 4500
008 180713s9999 xx 000 0 und d
082 _a514 G3
100 _a"Gupta, B D "
245 0 _aTopology
260 _aMeerut
260 _b Kedhar Nath and Ramnath
260 _c2015
365 _b330
942 _cBK
999 _c109869
_d109869