Não informado. (1989). IEEE Photonics Technology Letters. Institute of Electrical and Electronics Engineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. IEEE Photonics Technology Letters. New York: Institute of Electrical and Electronics Engineers, 1989.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. IEEE Photonics Technology Letters. Institute of Electrical and Electronics Engineers, 1989.
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