用模糊数学方法划定陕西省境内的亚热带北界
吴登茹
THE DIVISION OF THE BOUNDARIES OF THE NORTH SUB-TROPICAL BELT IN SHAANXI PROVINCE BY USING FUZZY MATHEMATICAL METHOD
Wu Dengru
地理研究 . 1985, (3): 75 -80 .  DOI: 10.11821/yj1985030011