000 00266nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aR.P.Chauhan & Others
245 0 _a Optics -II Sem - IV
260 _aN.D.
_bChronicle
_c2016
650 _aPhysics
942 _cBK
999 _c15204
_d15204