Radonjić VM, Jovanović DM, Ćirić MP. Optimal model of the concept of radio-relay equipment maintenance. Vojnoteh. glas. [Internet]. 2013 Dec. 23 [cited 2026 Sep. 20];62(3):59-7. Available from: https://test.aseestant.ceon.rs/index.php/vtg/article/view/5031