000 00277nam a2200109Ia 4500
008 220201s2017 xx 000 0 eng d
100 _aMisra, Shivgopal
245 0 _aScience Encyclopedia (Hindi)
260 _aNew Delhi
_bPrabhat Praskahan
_c2017
300 _a463
942 _2ddc
999 _c64266
_d64266