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.
