This shows an approach to charred remains on Yayoi pottery.

• Shoda, S. Y., Matsutani, A., Kunikita, D. & Shibutani, A. 2011. Multi-analytical approach to the origin of charred remains on Yayoi pottery from the Joto site, Okayama. Japanese Journal of Historical Botany 20 (1): 41-52. (Japanese with English abstract)