@article { ISI:A1974U627300004, title = {K-SHELL AND VALENCE SHELL EXCITATIONS IN CF4 BY 2.5 KEV ELECTRON-IMPACT}, journal = {JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA}, volume = {4}, number = {4}, year = {1974}, pages = {327-333}, issn = {0368-2048}, doi = {10.1016/0368-2048(74)80063-0}, author = {WIGHT, GR and Brion, CE} }