Lubian, H. and Bal, L. (1998) “Analysis of the influence of helium additions on the laser output and stability of a TEA nitrogen laser”, Revista Mexicana de Física, 44(4), pp. 369–372. Available at: https://rmf.smf.mx/ojs/index.php/rmf/article/view/2780 (Accessed: 30 June 2024).