Dosbolayev, M., A. Utegenov, and T. Ramazanov. “Experimental Investigations of Properties of Plasma-Dust Formations in Rf Capacitive Discharge”. Recent Contributions to Physics, vol. 2014, no. 4, Dec. 2012, pp. 63-72, https://bph.kaznu.kz/index.php/zhuzhu/article/view/851.