1. Siegbahn, K., Nordling, C., Fahlman, A., Nordberg, R., Hamrin, K., Hedman, Johansson, J. G., Bergmark, T., Karlsson, S.E., Lindgren, I. and Lindberg, B. 1967. “ESCA - Atomic, molecular and solid state structure studied by means of electron spectroscopy”. Uppsala: Almqvist & Wiksell.
2. Siegbahn, K., Nordling, C., Johansson, G., Hedman, J., Hedén, P. F., Hamrin, K., Gelius, U., Bergmark, T., Werme, L. O., Manne, R. and Baer, Y. 1969. “ESCA applied to free molecules”. Amsterdam: North Holland Publ. Co.
3. The Use of Internal Standards for Measuring the ESCA Chemical Shift in Coordination Compounds of Cobalt
4. A relation between the atomic charge of carbon and the C1s core electron binding energy estimated from a comparison of gas phase and solid state data and the molar polarizabilities of the investigated molecules