1. Shen, Y.R.: Rev. Mod. Phys. 48, 1 (1976)
2. Bloembergen, N.: Nonlinear Optics, 3rd printing (W.A. Benjamin, New York 1977)
3. Wang, C.S.: “The Stimulated Raman Process”, in Quantum Electronics: A Treatise, Vol.1, ed. by Rabin, H., Tang, C.L. (Academic Press, New York 1975) Chap.7
4. Topics in Applied Physics;YR Shen,1975
5. Lallemand, P.: In The Raman Effect, ed. by A. Anderson, Vol.1 (Marcel Dekker, New York 1971) p.287