Proceedings XI Intern. Congress of Speleology, 2nd-8th August 1993, Beijing 1993: 221-222.
The Belgian- Chinese speleo expedition East Yunnan 91 explored approx. 6 km of cave passages and 3,76 km were mapped; most of the cave are situated along the Ganhe River. (RB).Professional Paper (Service Géologique de Belgique), 1991/4, no248 (RV)