Kathman, A. Gradient Index, Miniature, and Diffractive Optical Systems. SPIE Digital Library.
Čikaški stil citiranja (17. izdanje)Kathman, Alan. Gradient Index, Miniature, and Diffractive Optical Systems. SPIE Digital Library.
MLA način citiranja (9. izdanje)Kathman, Alan. Gradient Index, Miniature, and Diffractive Optical Systems. SPIE Digital Library.
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