Katemi, Richard J., and Jérémy Epp. 2022. “In-Situ Observation of Retained Austenite and Residual Stress Evolutions During Tempering of Carbonitrided DIN 1.6587 Alloy Steel”. Tanzania Journal of Engineering and Technology 41 (2). http://196.44.161.124/index.php/tjet/article/view/5020.