EN中文
Land Ecological Changes and Evolutional Patterns in the Source Regions of the Yangtze and Yellow Rivers in Recent 15 Years
WANG Genxu, DING Yongjian, WANG Jian, LIU Shiyin
Acta Geographica Sinica . 2004, (2): 163 -173 .  DOI: 10.11821/xb200402001