Não informado. (1969). Atomic Absorption and Flame Emission Spectroscopy Abstracts. PRM Science and Technology Agency.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Atomic Absorption and Flame Emission Spectroscopy Abstracts. London: PRM Science and Technology Agency, 1969.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Atomic Absorption and Flame Emission Spectroscopy Abstracts. PRM Science and Technology Agency, 1969.
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