000 00277nam a2200121Ia 4500
008 170101s1984 xx 000 0 und d
082 _a514 GUP
100 _aGupta KP
245 0 _aTopology
260 _aMeerut
_bPragati Prakashan
_c1984
300 _a500 p
942 _2ddc
_cB
999 _c876016
_d876016