干旱区研究
Comparative Analysis on Atmospheric Circulation Anomalies of Heavy Drought Event in Northern China in 1986 and 1997
DUAN Hai-xia, LI Yao-hui, LIU Yun-yun
Arid Zone Research . 2015, (5): 966 -976 .  DOI: 10.13866/j.azr.2015.05.20