00286nam a2200121Ia 45000030006000000080041000060400015000471000031000622450024000932600018001175460012001350050017001470STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBrij Lal; Subrahmanyam, N.  aText book of Optics  bS.Chandc1993  aEnglish20220125170144.0