Optimum Study on Landscape Pattern Change in the Western Region of Henan Province in Recent Near ly 20 Year s
TIAN Li, LIANG Guofu, SHEN Huaifei, DING Shengyan
PROGRESS IN GEOGRAPHY . 2008, (5): 64 -70 .  DOI: 10.11820/dlkxjz.2008.05.009