1. Wang, ZL: The main plant diseases and insect pests and prevention and cure technology of balsam pear. Qinghai Pop. Agric. Sci. (4), 30 (2006)
2. Tang, SY, Xiao, YN: Single Population Biological Power System. Science Press, Beijing (2008)
3. Wang, MX: Chemical pesticide and environmental hormone. Rural Ecol. Environ. 15(4), 35-37 (1999)
4. Zhao, YF: The research progress of pesticide residues in food analysis. Foreign Med. 25(3), 173-177 (1998)
5. Wang, K: Random Biological Mathematical Model. Science Press, Beijing (2010)