Não informado. (1983). Bulletin of the Scientific Instrument Society. Scientific Instrument Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the Scientific Instrument Society. London: Scientific Instrument Society, 1983.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the Scientific Instrument Society. Scientific Instrument Society, 1983.
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