000 00249nam a2200109Ia 4500
008 230421s9999 xx 000 0 eng d
100 _aSharma (Gayatri)
245 0 _aVigyan Quiz
250 _aI
260 _bGeetanjali Prakashan
942 _2ddc
_cBED
999 _c20854
_d20854