Кузнецова, Т.Ю., Ківа, О.В. and Грибініченко, В.В. 2016. The study of the ultrasonic method of applying of emitter on the electrodes of gas-discharge lamps. Scientific Progress & Innovations. 1-2 (Jun. 2016), 85-86. DOI:https://doi.org/10.31210/visnyk2016.1-2.17.