元江河谷热带坝区自然优势及其开发
喻赞仁
ON THE NATURAL SUPERIORITY AND EXPLOITATION OF THE TROPICAL LEVEL LAND OF THE YUANJIANG RIVER VALLEY OF YUNNAN PROVINCE
Yu Zhanren
自然资源学报 . 1992, (3): 235 -239 .  DOI: 10.11849/zrzyxb.1992.03.005