1. Organic Polymeric and Non-Polymeric Materials with Large Optical Nonlinearities
2. Nonlinear Optical Properties of Organic and Polymeric Materials, ed. D. J. Williams, ACS Symposium Series 233, American Chemical Society, Washington, DC, 1983.
3. Nonlinear Optical Properties of Organic Molecules and Crystals, ed. D. S. Chemla and J. S. Zyss, Academic Press, Orlando, 1987.
4. J. F. Nicoud and R. W.Twieg, in Nonlinear Optical Properties of Organic Molecules and Crystals, ed. D. S. Chemla and J. S. Zyss, Academic Press, Orlando, 1987, vol. l, p. 242.
5. An organic crystal with an exceptionally large optical second‐harmonic coefficient: 2‐methyl‐4‐nitroaniline