Helman, Z., & Bremner, A. (1983). Genetically active materials in aquatic systems: A discussion. Environment Protection Authority.
Citace podle Chicago (17th ed.)Helman, Zena, a Allan Bremner. Genetically Active Materials in Aquatic Systems: A Discussion. Melbourne, (Vic.): Environment Protection Authority, 1983.
Citace podle MLA (8th ed.)Helman, Zena, a Allan Bremner. Genetically Active Materials in Aquatic Systems: A Discussion. Environment Protection Authority, 1983.
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