@article{oai:shotoku.repo.nii.ac.jp:00001538, author = {Urakami, Junnosuke}, journal = {聖徳学園岐阜教育大学紀要, Bulletin of Gifu College of Education}, month = {Sep}, pages = {159--198}, title = {PROTE-AMAMI : Reconstruction of its Vowels, Synchronic Description, and the Formulation of the Sound Changes}, volume = {24}, year = {1992} }