000 00285nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aS.K Gupta & Others
245 0 _aStatistical Physics & Optics B.S.C.II Sem IV
260 _aN.D
_bR.Chand
_c2017
650 _aPhysics
942 _cBK
999 _c15371
_d15371