1. Nikogosyan, D. N., [Nonlinear Crystals a complete survey], Springer Verlag, 2005.
2. Diels, J-C. and Rudolph, W., [Ultrashort Laser Pulse Phenomena], Academic Press, 2006.
3. Limitation on the efficiency of frequency doublers of picosecond light pulses;Karamzin,1975
4. Influences of self-induced thermal effects on phase matching in nonlinear optical crystals;Okada,1971
5. Thermal effects on second-harmonic generation in biaxial molecular crystals