Population Structure and Evolution after Speciation of the Hokkaido Salamander (Hynobius retardatus) Matsunami, Masatoshi ; Igawa, Takeshi ; Michimae, Hirofumi ; Miura, Toru ; Nishimura, Kinya Abstract Publication: PLoS ONE Pub Date: June 2016 DOI: 10.1371/journal.pone.0156815 Bibcode: 2016PLoSO..1156815M