Partial oscillator strenghts for ionization of the three valence orbitals of NH3 Back to all publications Publication date 1 January 1972 Reference M.J. van der Wiel and C.E. Brion, Partial oscillator strenghts for ionization of the three valence orbitals of NH3, J. Electron Spectrosc. Relat. Phenom. 1, 443-455 (1972)