Klečina, Mirko. “Tvornica Strojeva I Livnica čelika ‘Jelšingrad’ Banja Luka”. Advanced Technologies and Materials 2 (June 30, 1976): 133–138. Accessed September 20, 2024. https://atm-journal.uns.ac.rs/index.php/atm/article/view/JTP.1976.1.11.