@phdthesis{oai:tohoku.repo.nii.ac.jp:00126580,
 author = {An, Jing},
 month = {2018-11-27, 2018-11-27, 2019-12-06, 2019-12-06},
 note = {博士学位論文 (Thesis(doctor))},
 school = {Tohoku University},
 title = {Minority Language Endangerment and Ethnic Identity: A Case Study of Pumi in Yunnan, China},
 year = {}
}