1. H. Kjeldsen, “ Absolute photoionization cross sections: Measurements and applications,” Ph.D. dissertation (Department of Physics and Astronomy, University of Aarhus, Denmark, 2006).
2. M. Rafiq, “ Photoionization cross section and oscillator strength measurements of the excited states of sodium and magnesium,” Ph.D. Thesis (Department of Physics, Quaid-i-Azam University, Pakistan, 2008).
3. Alternate technique for simultaneous measurement of photoionization cross-section of isotopes by TOF mass spectrometer
4. Photoionization cross sections of atomic ions from merged-beam experiments
5. Photoionization of atoms using synchrotron radiation