@article{oai:kobe-cufs.repo.nii.ac.jp:00001554,
 author = {武内, 紹人 and Takeuchi, Tsuguhito},
 journal = {研究年報 : Historical Development of the Tibetan Languages, Journal of Research Institute : Historical Development of the Tibetan Languages},
 month = {Mar},
 note = {application/pdf, Proceedings of the Workshop B of the 17th Himalayan Languages Symposium (Kobe, 6th-9th, September, 2011)},
 pages = {3--17},
 title = {Formation and transformation of old Tibetan},
 volume = {49},
 year = {2013}
}