7Edward Lefroy, Torbjrn Rydberg. Emergy evaluation of three cropping systems in southwestern Australia[J]. Ecological Modelling ,2003, (161) :195-211.
8Howard T O. Emergy evaluation of an OTEC electrical power system[J]. Energy ,2000 (25) :389-393.
9H.T.奥德姆 蒋有绪 等.系统生态学[M].北京:科学出版社,1993..
10Odum H. T. Emergy in ecosystems[ A ]. In : Poluin Ned. Ecosystems Theory and Application [ C ]. New York: John Wiley &Sons. 1986. 337 -369.