2002年
Yamada, S., Osaki, M., Shinano, T., Yamada, M., Ito, M., and Permana, A. T.: Effect of potassium nutrition on current photosynthesized carbon distribution to carbon and nitrogen compounds among rice, soybean, and sunflower, Journal of Plant Nutrition, ・・・
Yamada, S., Osaki, M., Shinano, T., Yamada, M., Ito, M., and Permana, A. T.: Effect of potassium nutrition on current photosynthesized carbon distribution to carbon and nitrogen compounds among rice, soybean, and sunflower, Journal of Plant Nutrition, 25 (9), 1957-1973 (2002)*