000 00314nam a2200121Ia 4500
008 221001s1962 xx 000 0 eng d
082 _a891.433 VIS (H)
100 _aVishnoi, Harsaran Singh
245 0 _aBhartiya vigyan ki kahani
260 _aDelhi
_bLokpriya Prakashan
_c1962
300 _a166p.
942 _2ddc
_cBK
999 _c1608
_d1608