Bela, Sabo, Leposava Šiđanin, Mihailo Pantelić, Jovica Dakić, and Lazar Brestovački. 1994. “Determination of a-Ferrite in Welded Chromium Nickel Stainless Steel Parts”. Journal of Production Engineering 11 (1, 2):173-79. https://doi.org/10.24867/JPE-1994-11-173.