000 00301nam a22001337a 4500
999 _c2608
_d2608
003 OSt
008 170328b xxu||||| |||| 00| 0 eng d
020 _a9789386243973
100 _aGhatak,Ajoy
245 _aAlbert Einstein
260 _aNew Delhi
_bViva Books
_c2017
300 _a194p
942 _2ddc
_cFA