The Origin of Utilizing Horse Chestnuts as a Food Source:
トチ食料化の起源

Bunmei Nakui
2006 Nihon Kokogaku (Journal of the Japanese Archaeological Association)  
doi:10.11215/nihonkokogaku1994.13.22_71 fatcat:z4e3q4tynba2zecvqk3gfc3rem