Xirouchakis, D., and A. Bouzinos. “Geological Materials Testing and Uncertainty Calculations: A Simple GUM-Based Algorithm”. Bulletin of the Geological Society of Greece 47, no. 4 (January 21, 2013): 2081–2088. Accessed May 2, 2024. https://ejournals.epublishing.ekt.gr/index.php/geosociety/article/view/11092.