1. Adrienn Toth, Gergely Jakab, Balazs Madarasz, Zoltan Szalai, and Erzsebet Meszaros (2006) Migration of nutrients dissolved by precipitation and their role in soil erosion [J]. Chinese Journal of Geochemistry. 25(suppl.), 5.
2. Bi Kun (1994) Geoagricultural cultivation trial on tobacco in South Guizhou [J]. Guizhou Geology. 11, 75–80 (in Chinese with English abstract).
3. Bi Kun (1995) Potential resources function in ecoagriculture [J]. Guizhou Geology. 12, 334–350 (in Chinese with English abstract).
4. Bi Kun (1997) A study on mineral elements in tea leaves of Guizhou [J]. Guizhou Geology. 14, 9–20 (in Chinese with English abstract).
5. Bi Kun (1998) A comprehensive equilibrium effect of mineral elements upon crops [J]. Guizhou Geology. 15, 61–67 (in Chinese with English abstract).