Não informado. (1953). Southwestern naturalist. Southwestern Association of Naturalist.
Citace podle Chicago (17th ed.)Não informado. Southwestern Naturalist. Lubbock, Tex: Southwestern Association of Naturalist, 1953.
Citace podle MLA (8th ed.)Não informado. Southwestern Naturalist. Southwestern Association of Naturalist, 1953.
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