Não informado. (1968). Chem 13 News. University of Waterloo, Department of Chemistry.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Chem 13 News. Waterloo, Canada: University of Waterloo, Department of Chemistry, 1968.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Chem 13 News. University of Waterloo, Department of Chemistry, 1968.
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