A STUDY ON THE MATHEMATICAL MODEL OF THE VERTICAL DISTRIBUTION OF NATURAL BELTS IN THE SOUTHEASTERN PART OF THE QINGHAI-TIBET PLATEAU AND THEIR ECOLOGICAL ANALYSIS
Zheng Yuanchang, Wang Meijuan, Wu Zhengfang
JOURNAL OF NATURAL RESOURCES . 1996, (3): 249 -255 .  DOI: 10.11849/zrzyxb.1996.03.009