@book{ BA67876676,
author = "Beckwith, Christopher I.",
title = "Koguryo, the language of Japan's continental relatives : an introduction to the historical-comparative study of the Japanese-Koguryoic languages with a preliminary description of Archaic northeastern Middle Chinese",
publisher = "Brill",
year = "2004",
series = "Brill's Japanese studies library",
number = "v. 21",
URL = "https://ci.nii.ac.jp/ncid/BA67876676"
}