EN中文
USE OF THE CATASTROPHE THEORY MODEL TO STUDY ONTHE PROCESS OF DESERTIFICATION──AN EXAMPLEOF SAND LAND OF NORTHEAST CHINA
Guo Shaoli, Qi Wenhu, Li Lixian
Acta Geographica Sinica . 1982, (2): 183 -193 .  DOI: 10.11821/xb198202008