Svantesson, Jan-Olof. 1988. U. Linguistics of the Tibeto-Burman Area 11. 64-133.
@article{sSvantessonU, author = {Svantesson, Jan-Olof}, journal = {Linguistics of the Tibeto-Burman Area}, number = {1}, pages = {64-133}, title = {U}, volume = {11}, year = {1988} }