Singh, R., Ramon Salvador Fernandez, and Johannes Vrana. “Guideline for the Development of an NDE 4.0 Roadmap”. Journal of Non Destructive Testing and Evaluation (JNDE), vol. 20, no. 4, Dec. 2023, pp. 23-41, https://jnde.isnt.in/index.php/JNDE/article/view/63.