@article { ISI:A1975AV10500002,
	title = {ELECTRON-SPECTROSCOPY USING EXCITED ATOMS AND PHOTONS .3. PENNING IONIZATION OF AMMONIA AND PHOSPHINE},
	journal = {JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA},
	volume = {7},
	number = {5},
	year = {1975},
	pages = {377-383},
	issn = {0368-2048},
	doi = {10.1016/0368-2048(75)85002-X},
	author = {YEE, DSC and STEWART, WB and MCDOWELL, CA and Brion, CE}
}
