1. D. S. Chemla and J.Zyss , Nonlinear Optical Properties of Organic Molecules and Crystals , Academic Press, Harcourt Brace Janovich , Orlando, Fl , 1987
2. J. Messier , F.Kajzar and P. N.Prasad , Organic Molecules for Nonlinear Optics and Photonics , NATO ASI Series E: Applied Sciences, Dordrecht, Kluwer , 1991 , vol. 194
3. P. N. Prasad and D. J.Williams , Introduction to Nonlinear Optical Effects in Molecules and Polymers , Wiley , New York , 1991
4. C. Bosshard , K.Sutter , P.Pretre , J.Hulliger , M.Floersheimer , P.Kaatz and P.Guenter , Organic Nonlinear Optical Materials , Gordon and Breach , Basel , 1995
5. H. S. Nalwa , T.Watanabe and S.Miyata , Organic materials for second-order nonlinear optics, in Nonlinear Optics of Organic Molecules and Polymers , ed. H. S. Nalwa and S. Miyata , CRC , 1997 , ch. 4, pp. 89–350