Šiđanin, Leposava, Katarina Gerić, Vladimir Bajić, and Damir Kakaš. “Fracture Toughness Kic of Austempered Ductile Iron”. Journal of Production Engineering 7, no. 7 (December 1, 1990): 91–99. Accessed October 20, 2024. https://jpe.ftn.uns.ac.rs/index.php/jpe/article/view/833.