Classification of the taro varieties in Japan 論文 S. Kumazawa・K. NIUCHI・F. Honda ·1956-01-01 ·『Journal of the Japanese Society for Horticultural Science』 25(1) pp. 1-10 doi:10.2503/jjshs.25.1
The Meaning of Prolonged Inspection from the Standpoint of Creation 論文 Hitoshi Sakurabayashi ·1953-01-01 ·『The Japanese journal of psychology』 23(4) pp. 207-216 doi:10.4992/jjpsy.23.207