欢迎访问林业科学,今天是
黄土高原沟壑区退耕还林优化模式研究
李世东
The Optimized Model for Conversion of Farmlang to Forests in zhe Hill-Gully Subregion of Loess Plateau
Li Shidong
林业科学 . 2004, (5): 71 -78 .  DOI: 10.11707/j.1001-7488.20040511