000 00322nam a2200133Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a530.092 VIR:K
100 _aVirk Hardev Singh
245 0 _aMy Journey in Science
260 _aNew Delhi
_bGracious Book
_c2018
300 _a216p
942 _cGB
999 _c22461
_d22461