Não informado. (1989). IEEE Photonics Technology Letters. Institute of Electrical and Electronics Engineers.
Chicago-referens (17:e uppl.)Não informado. IEEE Photonics Technology Letters. New York: Institute of Electrical and Electronics Engineers, 1989.
MLA-referens (8:e uppl.)Não informado. IEEE Photonics Technology Letters. Institute of Electrical and Electronics Engineers, 1989.
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