Tohutoro APA (7th ed.)
Helmer, S. (1982). Untersuchungen zur Chemie des anti-Benzoldioxids.
Tohutoru Kātū Chicago (17th ed.)
Helmer, Susanne. Untersuchungen Zur Chemie Des Anti-Benzoldioxids. Köln, 1982.
Tohutoro MLA (9th ed.)
Helmer, Susanne. Untersuchungen Zur Chemie Des Anti-Benzoldioxids. 1982.
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