1. A. Yariv: Intrductin t Quantum Electrnics, 2nd. edn. (Hlt, Rinehart and Winstn, New Yrk 1976)
2. A. Yariv: Quantum Electrnics, 3rd edn. (Wiley, New Yrk 1989)
3. M. Sargent III, M.. Scully, W.E. Lamb Jr.: Laser Physics (Addisn Wesley, Lndn 1974)
4. Svelt: Principles f Lasers, 4th edn. (Plenum, New Yrk 1998)
5. A.E. Siegman: Lasers (University Science Bks, Mill Valley, CA 1986)