1[2]QinLi Zhang.Resource Assessment of Chinese copper Deposit and suggestions for Exploration[D].Department of Geosystem Engineering Graduate School of Engineering The University of Tokyo.Doctorate Dissertation.2004.46-62.
9[6]Arunachalam V S and Fleischer E L. Materials Challenges for the Next Century. MRS Bulletin, Warrendale PA 15086 - 7573 USA,2001. 8～ 12
10[7]Nowak Z, "Recovery of Minerals and Elements from Ash". In Coal Ash Utilization: Fly Ash, Bottom Ash and Slag. edited by S. Torrey. Noyes Data Corp., Park Ridge, NJ, USA, 1978,10～18
7Charles Wolf. A theory of "non - market failure" :framework for im- plementation analysis [ M ]. Virginia: Rand Corp, 1978.
8Kuntala Dutt L. Informality in mineral resource management in Asia: Raising questions relating to community economies and sustainable development[ J]. Natural Resources Forum ,2004,28 : 123 - 132.
9Milton Friedman. Capitalism and Freedom:Fortieth Anniversary Edi- ti6n [ M ]. US : University of Chicago Press,2002.
10James M Buchanan. The Demand and Supply of Public Goods [ M ]. Indianapolis : Liberty Fund Inc, 1999.
