Liu Jianguo, Ouyang Zhiyun, Pimm Stuart L, Raven Peter H, Wang Xiaoke, Miao Hong, Han Nianyong
Department of Fisheries and Wildlife, Michigan State University, East Lansing, MI 48824, USA.
Science. 2003 May 23;300(5623):1240-1. doi: 10.1126/science.1078868.