A. M. Hemer, L. Milovic, M. M. Ben Isa, and A. M. Sharf, “TEM Image Analysis of Fracture Surfaces of P91 Steel and Comparison with Mechanical Properties”, JMSET, vol. 7, no. 2, pp. E 88–96, Dec. 2021, doi: 10.59743/jmset.v7i2.22.