Não informado. Photographic Science and Engineering. Society of Photographic Scientists and Engineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Photographic Science and Engineering. Washington: Society of Photographic Scientists and Engineers.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Photographic Science and Engineering. Society of Photographic Scientists and Engineers.
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