ORMACHEA, O.; ROMANOV, O. G.; TOLSTIK, A. L. FREQUENCY CONVERSION OF COHERENT IMAGES ON INTRACAVITY MULTIWAVE MIXING. Revista Investigación & Desarrollo, [S. l.], v. 1, n. 8, 2009. Disponível em: https://www.upb.edu/revista-investigacion-desarrollo/index.php/id/article/view/88. Acesso em: 22 ene. 2022.