Characteristics and Variation of Heavy Snow in Ningxia Region in Recent 49 Years
DING Yong-hong1,2,FENG Jian-min1,ZHAO Wei4,ZHENG Guang-fen1,3,NA Li1,3
JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY . 2011, (6): 1399 -1406 .  DOI: 10.7522/j.issn.1000-0240.2011.0187