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J. M. Hollas and MyiLibrary, Modern spectroscopy, 4th ed. Chichester: John Wiley & Sons, 2004 [Online]. Available: https://ebookcentral.proquest.com/lib/nottingham/detail.action?docID=219771
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J. M. Hollas, High resolution spectroscopy, 2nd ed. Chichester: John Wiley & Sons, 1998.
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H. H. Telle, A. González Ureña, R. J. Donovan, and MyiLibrary, Laser chemistry: spectroscopy, dynamics and applications. Chichester: John Wiley & Sons, 2007 [Online]. Available: https://ebookcentral.proquest.com/lib/nottingham/detail.action?docID=292565
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A. M. Ellis, M. Fehér, and T. G. Wright, Electronic and photoelectron spectroscopy: fundamentals and case studies. Cambridge: Cambridge University Press, 2005.