Zhongguo yu yan di tu ji : di 2 ban. Han yu fang yan juan = Language atlas of China
Author
Zhongguo she hui ke xue yuan yu yan yan jiu suo, Zhongguo she hui ke xue yuan min zu xue yu ren lei xue yan jiu suo, Xianggang cheng shi da xue yu yan zi xun ke xue yan jiu zhong xin bian