000 00252nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aVerma, G.S
245 0 _aSamajik Vighyan Shikshan
260 _aMeerut
_bLBD
_c2004
300 _a276 p.
942 _cBK
999 _c13030
_d13030