1. Generation of optical harmonics;Franken;Phys. Rev. Lett.,1961
2. Nonlinear Optics;Bloembergen,1965
3. The Principles of Nonlinear Optics;Shen,1984
4. Applied Classical Electrodynamics, vol. 2: Nonlinear Optics;Hopf,1986
5. Nonlinear Optics;Boyd,1992