“Interpreting Experimental Fracture Toughness Results of Quasi-Brittle Natural Materials through Multi-Parameter Approaches”. Frattura ed Integrità Strutturale 9, no. 33 (June 19, 2015): pages 80–88. Accessed November 14, 2024. https://ww3.fracturae.com/index.php/fis/article/view/1477.