Não informado. (1969). Atomic Absorption and Flame Emission Spectroscopy Abstracts. PRM Science and Technology Agency.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Atomic Absorption and Flame Emission Spectroscopy Abstracts. London: PRM Science and Technology Agency, 1969.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Atomic Absorption and Flame Emission Spectroscopy Abstracts. PRM Science and Technology Agency, 1969.
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