韦茂繁 [<span class="searchmatch">Wéi</span> Màofán], 韦树关 [<span class="searchmatch">Wéi</span> Shùguān] (2011) 五色话研究 [Wǔsèhuà Yánjiū, A Study of E Language] (in Chinese), Beijing: 民族出版社 [Publishing House of Minority Nationalities]...