@article {28701, title = {Partial oscillator strengths for ionization of the three valence orbitals of NH3}, journal = {Journal of Electron Spectroscopy and Related Phenomena}, volume = {1}, year = {1972}, pages = {443 - 455}, issn = {0368-2048}, doi = {https://doi.org/10.1016/0368-2048(72)80015-X}, url = {http://www.sciencedirect.com/science/article/pii/036820487280015X}, author = {M.J. Van Der Wiel and C.E. Brion} }