Cheng Si-Yang, Xu Liang, Gao Min-Guang, Jin Ling, Li Sheng, Feng Shu-Xiang, Liu Jian-Guo, Liu Wen-Qing. Study on remote sensing of carbon dioxide column concentration in the atmosphere by direct-sun infrared absorption spectroscopyJ. Acta Physica Sinica, 2013, 62(12): 124206. DOI: 10.7498/aps.62.124206