Study on optimized land use pattern and ecological security of watershed based on 3S. - Xiaobing Li; Yunhao Chen; Feng Yu; Xia Li; Yong-qin Ge (IGARSS, 2005)

Estimation of winter wheat yield in hebei plain of China by improved CASA model. - Xia Li; Xiaobing Li; Hong Wang 022; Yong-qin Ge; Huiling Long; Cheng Zhang (IGARSS, 2007)