【作者】:Gerwitz, A. 【题名】: An empirical mathematical model to describe plant root systems 【期刊、年、卷、期、起止页码】: J. Appl. Ecol. 11, 773–781. 【全文链接】:http://www.jstor.org/discover/10.2307/2402227?uid=17564536&uid=364132151&uid=3737800&uid=2&uid=16733760&uid=3&uid=67&uid=62&sid=21101981430363