@inproceedings{hanapplication,
title={Application of Secondary fitting to Grey forecasting model in the development tendency predication of Yellow River's water quality},
author={Han Wang, Chen Song, and Chen Li},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160813215156180945104},
}
Han Wang, Chen Song, and Chen Li. Application of Secondary fitting to Grey forecasting model in the development tendency predication of Yellow River's water quality. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160813215156180945104.