Reference Label	Details
est unc	estimated uncertainty
Rabalais 1972	J. W. Rabalais, T. Bergmark, L. O. Werme, L. Karlson, M. Hussain, and K. Siebahn, The high-resolution electron spectrum of carbon suboxide in Electron Spectroscopy, ed. D.A. Shirley (North-Holland Pub. Co., Amsterdam), 1972, 425