北京1724—1979年生长季干旱特征及其多年变化
冯丽文
THE CHARACTERISTICS OF DROUGHT AND ITS VARIATION DURING THE GROWING PERIOD FROM 1724-1979 IN BEIJING
Feng Li-wen
地理学报 . 1982, (2): 194 -205 .  DOI: 10.11821/xb198202009