A PRELIMINARY ANALYSIS ON CERTAIN CHARACTERISTICS OF THE 500 MB CIRCULATION DURING THE DRY AND THE WET MONTHS IN THE YANGTZE VALLEY AND THE HOPEI PLAIN
CHANG CHIA-CHENG, KUN FU-SUN, SHIN KUNG-WANG
Acta Geographica Sinica . 1965, (1): 25 -35 .  DOI: 10.11821/xb196501003