1. Academia Sinica, 1990. Loess and the Environment. Beijing, 250 pp.
2. Allison, L.E., 1965. Organic carbon. In: Black, C.A. (Ed.), Methods of Soil Analysis. Part 2. Chemical and Microbiological Properties. Am. Soc. Agron. Publ. 9, 1367–1379.
3. Spatial analysis and modelling of topsoil carbon storage in temperate forest humic loamy soils of France;Arrouays;Soil Sci.,1995
4. Baethgen, W.E., Magrin, G.O., 1995. Assessing the impacts of climate change on winter crop in Uruguay and Argentina using crop simulation models. In: Climate Change and Agriculture: Analysis of Potential International Impacts. Am. Soc. Agron. Spec. Publ. 59, 207–228.
5. Birkeland, P.W., 1992. Quaternary soil chronosequences in various environments—extremely arid to humid tropical. Weathering, soils and paleosols. In: Martini, I.P., Chesworth, W. (Eds.), Developments in Earth Surface Processes 2. Elsevier, Amsterdam, 607 pp.