HAUSER, Peter C.; RUPASINGHE, Thusitha W.T.; TAN, Robin. A Simple Photometer Based on a New Tri-Colour Light-Emitting Diode. CHIMIA, [S. l.], v. 49, n. 12, p. 492, 1995. DOI: 10.2533/chimia.1995.492. Disponível em: https://www.chimia.ch/chimia/article/view/1995_492.. Acesso em: 23 nov. 2024.