EN中文
The Climatic Variability and Influence of First Frost Dates in Northern China
HAN Rongqing; LI Weijing; AI Wanxiu; SONG Yanling; YE Dianxiu; HOU Wei
Acta Geographica Sinica . 2010, (5): 525 -532 .  DOI: 10.11821/xb201005002