Binding Energy Spectra and Electron Momentum Profiles of the Valence Shell for Methane
Fan Xiao-Wei,Zhou Shao-Jie,Zheng Yen-You,Chen Xue-Jun
Acta Phys. -Chim. Sin. . 1996, (12): 1106 -1109 .  DOI: 10.3866/PKU.WHXB19961212