1. Studies of Beryllium Geochemistry in Soil: Feasibility of using 10Be/ 9Be ratios for age determination;Barg,1993
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3. Weathering systems;Chesworth,1992
4. Preliminary determination of climatic shift in North China around 2.5 Ma;Ding;Chinese Sci. Bull.,1991
5. Climatic correlation between Chinese loess and deep-sea cores: A structural approach;Ding,1991