1. (a) Nonlinear Optical Properties Properties of Organic Molecules and Crystals, Vols. 1 and 2 (Eds.: ), Academic Press, Orlando, 1987;
2. (b) , Nonlinear Optical Effects in Molecules and Polymers, Wiley, New York, 1991;
3. ACS Symposium;Marder,1991
4. (d) Acta Crystallogr. Chapt. 23, and references. therein.
5. Optical Nonlinearities In Chemistry: Introduction