EN中文
Emergy Evaluation of Miyun County as the Ar ea of Water shed Conservation for Beijing
ZHOU Liandi,HU Yanxia,YAN Maochao,DONG Xiaobin,WU Zhiqiang,WEI Changshan
PROGRESS IN GEOGRAPHY . 2006, (5): 94 -104 .  DOI: 10.11820/dlkxjz.2006.05.021