00279nam a2200121Ia 45000030006000000080041000060400015000471000024000622450036000862600006001225460012001280050017001400STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aChakarabarthi, P.K.  aGeometrical and physical optics  c0  aEnglish20220125170115.0