V.K, Sveshnikov, Bazarkin A.F, and Kurenschikov A.V. “Calculation of Resonant Radiation Power of a Direct Sodium Lamp With Low Pressure”. International Journal of Engineering & Technology 7, no. 3.19 (September 7, 2018): 92–96. Accessed November 22, 2024. https://sciencepubco.com/index.php/ijet/article/view/16993.