6Michael M. Cernea(ed. ). The Economics of involuntary Resettlement: Questions and Chalienges[M]. Wash- ington:D. C. The World Bank, 1999 : 1416.
7Hadipriono F. C. Fuzzy fault tree analysis [A]. Proceedings of Fourth European Congress on Intelligent Techniques and Soft Computig (EUFIT96) [C]. Aachen,Germany: Verlag Mainz,1996:1411-1415.