EN中文
Aridity-humidity Changes in the Borderland of Shaanxi, Gansu  and Ningxia
DAI Junhu1, XIAO Shufang1, 2, GE Quansheng1, WANG Mengmai1, 2, CUI Haiting3
Acta Geographica Sinica . 2009, (7): 839 -849 .  DOI: 10.11821/xb200907008