Guan, Dabo
Klasen, Stephan
Hubacek, Klaus
Feng, Kuishuang
Liu, Zhu
He, Kebin
Geng, Yong
Zhang, Qiang
Article History
Received: 24 April 2014
Accepted: 29 August 2014
First Online: 5 October 2014
Competing interests
: The authors declare no competing financial interests.