Climatic Characteristics of Precipitation in North China from 1961 to 2017
Yang Ruozi, Xing Pei, Du Wupeng, Dang Bing, Xuan Chunyi, Xiong Feilin
SCIENTIA GEOGRAPHICA SINICA . 2020, (9): 1573 -1583 .  DOI: 10.13249/j.cnki.sgs.2020.09.019