5Li, J. J. , Xie, S. Y. , Kuang, M.S.. Geomorphie evolution of the Yangtze Gorges and the time of their formation. Geomorphology, 2001, (41) : 125 - 135.
6Shackleton, N. J. , Opdyke, N. D.. Oxygen isotope and palaeomagnetic stratigraphy of equatorial pacific core V28 - 238 : Oxygen isotope temperatures and ice volumes on a 10^5 year and 10^6 year scale[J]. Quaternary Research, 1973, (3) : 39 -55.
7Shackleton, N. J.. Oxygen - Isotope and paleomagnetic stratigraphy of Pacific core V28 - 230 Late Pliocene to Latest Pleistocene[J]. Geological Society of America. 1976, (145) : 449-464.