THE REMOTE SENSING DYNAMIC MONITORING MODEL OF THE GRASS YIELD OF NATURAL GRASSLAND IN THE MIDDLE SECTION OF THE TIANSHAN NORTH SLOPE
Huang Jingfeng, Shang Changqing, Feng Zhenwu
JOURNAL OF NATURAL RESOURCES . 1993, (1): 10 -17 .  DOI: 10.11849/zrzyxb.1993.01.002