5[1]Cowie J W, Winbledon W A P. The world heritage list and its relavance to geology[A]. in: Proceedings of the Marvexn conference[C]. 1993. 71~73.
6[2]Eder W. "Unesco Geoparks" -A new initiative for protection and sustainable development of the Earth's heritage [J].N. Jb. Geol. Palaont. Abh., 1999, 214(1/2):353~358.