Sun You-Wen, Xie Pin-Hua, Xu Jin, Zhou Hai-Jin, Liu Cheng, Wang Yang, Liu Wen-Qing, Si Fu-Qi, Zeng Yi. Measurement of atmospheric CO2 vertical column density using weighting function modified differential optical absorption spectroscopyJ. Acta Physica Sinica, 2013, 62(13): 130703. DOI: 10.7498/aps.62.130703