The following is interesting, and so I'd like to show here. Unfortunately, this is just only in JAPANESE without English abstract.
- Shoda, S., Yoneda, M., Nasu, H., 羅建柱, and 安承模. 2011. Distinguishing wet and dry rice in ancient rice grains using C/N stable isotope. International Archaeobotany Symposium. Recent Situations and Problems in East Asian Archaeobotany, 93-97. Seoul National University, September 23, 2011.