000 00288nam a22001217a 4500
008 220325b |||||||| |||| 00| 0 eng d
020 _a8188466018
100 _aShukdev Prasad
245 _aVaigyanikon Ki Baaten
260 _aDelhi
_bPrakashan
_c2013
300 _a64p.
942 _2udc
_cBK
999 _c14115
_d14115