Change of Temperature, Precipitation and NDVI in Recent 45 Years in Ningxia
CHEN Yu-ying, CHEN Nan, ZHENG Guang-fen, MU Jian-hua, MA Shai-yan, NA Li, SHAO Jian
JOURNAL OF NATURAL RESOURCES . 2008, (4): 626 -634 .  DOI: 10.11849/zrzyxb.2008.04.010