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Safety of dietary supplements for horses, dogs, and cats
National Research Council (US) Committee on Examining the Safety of Dietary Supplements for Horses Dogs and Cats; National Academies Press (US).
Washington, D.C. : National Academies Press, c2009.
Molecular systematics of plants
Soltis, Pamela S, 1957-; Soltis, Douglas E, 1953-; Doyle, Jeff J (Jeffrey J).
New York : Chapman and Hall, 1992.
Taxonomy and genetics of Oenothera; forty years study in the cytology and evolution of the Onagraceae.
Gates, Reginald Ruggles, 1882-.
Den Haag, Junk, 1958
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