淠河流域汛期旱涝变化的周期性与旱涝等级状态预测
李远平, 杨太保, 赵咏梅
Study on Variation and Prediction of Flood and Drought in Rainy Season in the Pi River Valley
LI Yuanping, YANG Taibao, ZHAO Yongmei
. 2009, (6): 1046 -1050 .