Prodan, C., D. Cernomazu, and V. Chatziathanasiou. “Contributions Concerning the Oscilloscopic Method, for Checking the Clock-Hour Figure of the Vector Group of a Electric Transformer”. Elektronika ir Elektrotechnika 19, no. 8 (September 26, 2013): 29-32. Accessed April 19, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/1929.