1. Electron impact excitation and ionization cross section of tungsten ions, W44+. (February 2019) Authors: El-Maaref, A.A.; Abou halaka, M.M.; Tammam, Mahmoud; Shaaban, E.R.; Yousef, El Sayed Journal: Journal of quantitative spectroscopy & radiative transfer Issue: Volume 224(2019) Page Start: 147 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗