Merkle, F. Design and Engineering of Optical Systems II. SPIE Digital Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMerkle, Fritz. Design and Engineering of Optical Systems II. SPIE Digital Library.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMerkle, Fritz. Design and Engineering of Optical Systems II. SPIE Digital Library.
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