Koshel, R. J. Novel Optical Systems Design and Optimization XII. SPIE Digital Library.
Čikaški stil citiranja (17. izdanje)Koshel, R. John. Novel Optical Systems Design and Optimization XII. SPIE Digital Library.
MLA način citiranja (9. izdanje)Koshel, R. John. Novel Optical Systems Design and Optimization XII. SPIE Digital Library.
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