Johnson, R. B. Current Developments in Lens Design and Optical Engineering XIV. SPIE Digital Library.
Chicago-čujuhus (17. p.)Johnson, R. Barry. Current Developments in Lens Design and Optical Engineering XIV. SPIE Digital Library.
MLA-čujuhus (9. p.)Johnson, R. Barry. Current Developments in Lens Design and Optical Engineering XIV. SPIE Digital Library.
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