1. Review articles on lasers and their applications have been collected in: Lasers and Light. Readings from Scientific American. San Francisco: W.H. Freeman and Co. 1969.
2. Spectroscopic applications of lasers are discussed in: Haught, A. F., Lasers and their application to physical chemistry. Ann. Rev. Phys. Chem. 19, 343 (1968). — Görlich, P,, Moenke-Blankenburg, L.: Laser in Spektrometrie. Exp. Techn. d. Physik, Vol. XVII, pp. 105 ff. 1969. — Demtröder, W.: High resolution spectroscopy with lasers. Phys. Rep. 7c, 5 (1973). — Arrecchi, F. T., Schulz-Dubois, E. 0.: Laser handbook, part II. Amsterdam: North Holl. Publ. Comp. 1972.
3. A detailed description of the different laser types and an extensive list of references is, for inst Kleen-Müller: Laser (in German). Berlin-Heidelberg-New York: Springer 1969.
4. Smith, W., Smith, P.P.: Sorokin, The Laser. New York: McGraw Hill 1966.
5. Bloom, A.L.: Gas lasers. London: Wiley 1968.