Branching ratios and partial oscillator strengths for the photoionization of NH3 in the 15-50 eV region Back to all publications Publication date 1 January 1977 Reference C.E. Brion, A. Hamnett, G.R. Wight and M.J. van der Wiel, Branching ratios and partial oscillator strengths for the photoionization of NH3 in the 15-50 eV region, J. Electron Spectrosc. Relat. Phenom. 12, 323-334 (1977)