Rongbo Cui Qiming Qin Nan Yang Xin Tao Shaohua Zhao The Optimization of the Crop Chlorophyll Content Indices based on a New LAI Determination Index. 821-824 2009 IGARSS (4) http://dx.doi.org/10.1109/IGARSS.2009.5417503 conf/igarss/2009 db/conf/igarss/igarss2009-4.html#CuiQYTZ09