Erasmus, L., J. Terblans, and H. Swart. “Measuring the Optical Thermometry Properties of La<sub>2</sub>O<sub>2</Sub>S:Eu Phosphor Material”. Suid-Afrikaans Tydskrif vir Natuurwetenskap en Tegnologie / <i>South African Journal of Science and Technology</i&gt; 35, no. 1 (July 29, 2016): 1 bladsy. Accessed September 23, 2023. http://www.satnt.ac.za/index.php/satnt/article/view/1410.