000 00271nam a2200121Ia 4500
008 170912s9999 xx 000 0 und d
082 _a514 BDG/T GUP/T
100 _aGUPTA B D
245 0 _aTOPOLOGY
260 _bKEDARNATH RAMNATH
_c1971
300 _a596
942 _cTB
999 _c26868
_d26868