00310nam a2200133Ia 45000030006000000080041000060400015000471000030000622450024000922500013001162600018001295460012001470050017001590STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSubrahmanyam, N; Brij Lal  aText book of Optics  aTwelveth  bS.Chandc1982  aEnglish20220125170145.0