Proceedings XI Intern. Congress of Speleology, 2nd-8th August 1993, Beijing 1993: 48-50 (4 fig.) (chines. summ.).Nandong underground river system in SE Yunnan province consists of 3 caves with mapped lengths of 1,55 km resp. 3,80 km resp. 0,85 km. The speed of water flow is more than 6 km/day. The development and evolutionary stages of the system is studied. (RB).
Bridgwater TA7 0LG, British Cave Research Association. 48pp. (maps, photos, surveys) (chinese abstract). ISBN 0-900265-15-9.A report on various projects: The Pan Yang Caves, Bama, Guangxi Province 1989. The Mengzi karst of southern Yunnan 1991. The karst of the Tibet Plateau 1992 and the largest part, the exploration of the Xingwen karst of Sichuan Province 1992. Geomorphol. map of Karst of Xingwen, Sichuan. Cave surveys of : Zhucaojing (Xingwen, Sichuan): 8,80 km +1,75 km; Tiencuan dong (Xingwen, Sichuan): 8,10 km /-208 m; Xia Dong (Xingwen, Sichuan): 2,20 km; Yanzi Luo Shui Dong (Xingwen, Sichuan): 1,80 km /- 316 m + 1,12 km / -199 m; Pan Yang Dong cave system (Bama Guangxi). (RM).