Atkins, P. W., and Julio De Paula. 2014. Atkins’ Physical Chemistry, 10th ed (Oxford: Oxford University Press)
Ellis, Andrew M., Miklós Fehér, and Timothy G. Wright. 2005. Electronic and Photoelectron Spectroscopy: Fundamentals and Case Studies (Cambridge: Cambridge University Press)
Hollas, J. Michael. 1998. High Resolution Spectroscopy, 2nd ed (Chichester: John Wiley & Sons)
Hollas, J. Michael and MyiLibrary. 2004. Modern Spectroscopy, 4th ed (Chichester: John Wiley & Sons) <https://ebookcentral.proquest.com/lib/nottingham/detail.action?docID=219771>
Telle, Helmut H., Angel González Ureña, Robert J. Donovan, and MyiLibrary. 2007. Laser Chemistry: Spectroscopy, Dynamics and Applications (Chichester: John Wiley & Sons) <https://ebookcentral.proquest.com/lib/nottingham/detail.action?docID=292565>
