@article{oai:toyo-bunko.repo.nii.ac.jp:00003222,
 author = {UMEDA, Hiroyuki and UMEDA, Hiroyuki},
 journal = {Memoirs of the Research Department of the Toyo Bunko (The Oriental Library)},
 month = {},
 pages = {91--111},
 title = {A Diachronic Vowel-change in the Present-day Seoul Korean},
 volume = {57},
 year = {1999}
}