T Hymowits. (1976). Soybean cultivars released in the United States and Canada: Morphological descriptions and responses to selected foliar, stem, and root diseases. Urbana: University of Illinois.
Chicago-tyylinen lähdeviittausT Hymowits. Soybean Cultivars Released in the United States and Canada: Morphological Descriptions and Responses to Selected Foliar, Stem, and Root Diseases. Urbana: University of Illinois, 1976.
MLA-viiteT Hymowits. Soybean Cultivars Released in the United States and Canada: Morphological Descriptions and Responses to Selected Foliar, Stem, and Root Diseases. Urbana: University of Illinois, 1976.
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