A Leaf Layer Spectral Model for Estimating Protein Content of Wheat Grains. - Chun-Hua Xiao; Shaokun Li; Ke-Ru Wang; Yan-Li Lu; Jun-Hua Bai; Rui-Zhi Xie; Shi-Ju Gao; Qiong Wang; Fang-Yong Wang (CCTA (4), 2010)