@book{ BA26177938, author = "Ramstedt, G. J. (Gustaf John) and Aalto, Pentti", title = "Studies in Korean etymology", publisher = "Suomalais-ugrilainen seura", year = "1949", series = "Suomalais-ugrilaisen Seuran toimituksia", number = "95", URL = "https://ci.nii.ac.jp/ncid/BA26177938" }