000 00315nam a22001217a 4500
008 220328b |||||||| |||| 00| 0 eng d
020 _a9788173099830
100 _aHarikrishna Devsare
245 _aVigyan Ke Ratan
260 _aNew Delhi
_bSasta Sahitya Mandal Prakashan
_c2018
300 _a81p.
942 _2udc
_cBK
999 _c14132
_d14132