1Kopits,E. , Cropper,M.. Traffic fatalities and economic growth[J]. Accident Analysis and Prevention, 2005,37 (1) :169-178.
2Karen, P.. Blood on the coal: The effect of organizational size and differentiation on coal mine accidents [J].Journal of safety Research, 2009,40 (3) : 85 - 95.
3Shi, X. P.. Have government regulations improved workplace safety? A test of the asynchronous regulatory effects in China's coal industry ,1995-2006 [J]. Journal of Safety Research,2009,40(3):207-213.
4Bates,J. M. , Granger, C. W. J. , Terasvirta, T.. The combination of Forecasts [J]. Operations Research Quarterly, 1969,20(4) :451-468.
5Clemen,R. T.. Combination forecasts:A review and annotated bibliography [J]. International Journal of Forecasting, 1989, (5) : 559 - 584.
6Deutch, M. , Granger, C. W. J. , Terasvirta, T. The combination of forecasts using changing weights [J]. International Journal of Forecasting, 1994,10 :47- 57.
7George, E. P. B. , Gwilym, M. J. , Gregory, C. R.. Time Series Analysis, Forecasting, Control, [M]. Englewood Cliffs, NJ Prentice Hall,1994.
8Rumelhart, D. E. , Hinton, G. E. , Williams, R. J.. Learning representations of backpropagation errors [J]. Nature, 1986(323) : 533- 536.
9Levenberg, K.. A method for the solution of certain problem in least squares [J]. Quart. Appl. Math.,1994,2:164-168.
10Marquardt,D.. An algorithm for leastsquares estima- tion of nonlinear parameters [J]. SIAM J. Appl. Math, 1963,11: 431-441.
