“On the Assessment of Non-Metallic Inclusions by Part 13 of API 579 -1 ASME FFS-1 2016”. Fracture and Structural Integrity 16, no. 59 (December 22, 2021): 105–114. Accessed July 8, 2026. https://fracturae.com/index.php/fis/article/view/3254.