00567cam5a220019300 4500 tmp15943652 UPRA 20190822110027.0 951114s1976 xx eng u (Sirsi) r50745 (UPRA)tmp15943652 UPRA Knittl, Zdenek. A8601.1 Optics of thin films : [an optical multilayer theory]. 1976. QC176.84 lcc 33729001805626 MAIN 2500 BOOK ON-SHELF QC176.84 lcc 33729001805683 MAIN 2500 BOOK ON-SHELF 50745 131722 131722