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中文
Analysis and Forecast of Corn Yield of Hebei Province with Grey System
ZHANGWen-ying, LIQiu-sheng, LIYu-qin
ACTA AGRICULTURAE BOREALI-SINICA . 2007, (
S1
): 160 -162 . DOI: 10.7668/hbnxb.2007.S1.039
