The elaborate distribution of direct solar radiation over rugged terrains in the Guizhou Plateau
YUAN Shu-jie, MIAO Qi-long, GU Xiao-ping, QIU Xin-fa
JOURNAL OF NATURAL RESOURCES . 2009, (8): 1432 -1439 .  DOI: 10.11849/zrzyxb.2009.08.012