000 00259nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aNegi, J.S.
245 0 _aRasayan Vigyan Shikshan
260 _aAgra
_bVinod Pustak Mandir
300 _a312+8p
942 _cBK
999 _c11309
_d11309