S. Toyama

Environmental archaeology at the Chengtoushan site, Hunan Province, China, and implications for environmental change and the rise and fall of the Yangtze River civilization

Megumi Kato, H. Fukusawa, M. Okuno, 2004 .

Studies on the fruit development of Japanese pears (I)

S. Toyama, S. Hayashi, 1957 .

Late Holocene vegetation and environment at Cauduntou, west of Yangtze Delta, SW Jiangsu Province, East China

H. Kitagawa, Y. Sato, M. Okuda, 2003 .

The Theory of Jomon Agriculture and Palaeo-botanical Study

S. Toyama, 1985 .