00274nam a2200121Ia 45000030006000000080041000060400015000471000014000622450023000762600024000995460012001230050017001350STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aCurry, C.  aGeometrical optics  bEdward Arnoldc1956  aEnglish20220125170146.0