Ryutaro Ohtsuka

Introduction to the Proceedings of the Symposium, “Methodologies of Ecological Field Surveys”

Ryutaro Ohtsuka, Yukio Kuchikura, 1994 .

ERGOLOGY OF NON-INDUSTRIAL WORK

Ryutaro Ohtsuka, 1983 .

A scan for genetic determinants of human hair morphology: EDAR is associated with Asian hair thickness.

Katsushi Tokunaga, Ryosuke Kimura, Akihiro Fujimoto, 2008, Human molecular genetics.

Age and gender differences in the physical activity patterns of urban schoolchildren in Korea and China.

Shintaro Yokoyama, Masaru Ishii, Ryutaro Ohtsuka, 2007, Journal of physiological anthropology.

Impacts of selective logging on New Georgia Island, Solomon Islands evaluated using very-high-resolution satellite (IKONOS) data

Ryutaro Ohtsuka, M. Umezaki, T. Furusawa, 2004, Environmental Conservation.

The Use of Quantitative Observational Techniques in Anthropology [and Comments and Replies]

Monique Borgerhoff Mulder, Ryutaro Ohtsuka, R. Hinde, 1985, Current Anthropology.