Não informado. (1961). Soil Science and Plant Nutrition. Japanese Society of Soil Science and Plant Nutrition.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Soil Science and Plant Nutrition. Tokyo: Japanese Society of Soil Science and Plant Nutrition, 1961.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Soil Science and Plant Nutrition. Japanese Society of Soil Science and Plant Nutrition, 1961.
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