%0 Journal Article %T Spectral influence analysis on sunshine duration measurement %A Chong, Wei %A Lyu, Wenhua %A Bian, Zeqiang %A Ding, Lei %A Li, Songkui %A Zeng, Tao %J The Journal of Engineering %V 2019 %N 23 %P 8505-8507 %D 2019-12-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve