1. A.E. Siegman: An introduction to Lasers and Masers (McGraw-Hill, New York 1971); ibid. Lasers (Oxford Univ. Press, Oxford 1986)
2. D.A. Eastham: Atomic Physics of Lasers (Taylor & Francis, London 1986)
3. I. Hecht: The Laser Guidebook, 2nd edn. (McGraw-Hill, New York, 1992)
4. Lasers, Vols. 1–4, ed. by A. Levine (Dekker, New York 1966–76)
5. A. Yariv: Quantum Electrons (Wiley, New York 1975); ibid. Optical Electronics, 3rd edn. (Holt, Rinehart, Winston, New York 1985)