1. Kutzbach, J. E., Gueller, P. J., Ruddinman, W. F.et al., Sensitivity of climate to late Cenozoic uplift in southern Asia and the American west: numerical experiments,Journal of Geophysical Research, 1989, 94:18393.
2. Ding, Z. L., Yu, Z., Rutter, U. W.et al., Towards an orbital time scale for Chinese loess deposits,Quaternary Science Reviews, 1994, 13:39.
3. Wang, S. M., Shi, Y. F., Xue, B.et al., Preliminary study on the palaeoclimate and palaeoenvironment evolution of the east of Qinghai-Xizang Plateau since 800 kaB. P., inFormation and Evolution, Environment Change and Ecological System of Qinghai-Xizang Plateau (In Chinre) (Qinghai-Xizang Project Committee), Beijing: Science Press, 1994, 236.
4. Wang, Y. F., Wang, S. M., Xue, B.et al., Sume sedimentary evidences of Yellow River pirating Zoig/^e palaeolake,Chinese Scirncr Bulletin, 1995, 40(8): 723.
5. Liu, T. S., Ding, Z. L., Stepwise coupling of monsoon circulation to global ice volume variations during the late Cenozoic,Global and Planetarv Change, 1993, 7: 119.