GÜNTER, Peter. Nonlinear Optical Effects in Polar Dielectric Materials. CHIMIA, [S. l.], v. 47, n. 10, p. 402, 1993. DOI: 10.2533/chimia.1993.402. Disponível em: https://www.chimia.ch/chimia/article/view/1993_402.. Acesso em: 23 nov. 2024.