Stoyanov S, Mihaylov V, Ivanov Z, Radev R. System for studying the parameters of gas solenoid valves [Internet]. ANNUAL JOURNAL OF TECHNICAL UNIVERSITY OF VARNA, BULGARIA [Internet]. 30Dec.2021 [cited 5Dec.2023];5(2):112-21. Available from: https://aj-tuv.org/index.php/ajtuv/article/view/259