Inferring the Population Expansions in Peopling of Japan // PLoS ONE 6(6): e21509. doi:10.1371/journal.pone.0021509, Published: June 29, 2011
Peng et al.
Extensive studies in different fields have been performed to reconstruct the prehistory of populations in the Japanese archipelago. Estimates the ancestral population dynamics based on Japanese molecular sequences can extend our understanding about the colonization of Japan and the ethnogenesis of modern Japanese.
http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0021509