Aparicio Ortubé, A.J. and Suárez Burgoa, L.O. 2018. Assesment of the Mechanical Variability of Rock Slabs by Means of Non-Destructive Tests: Analysis Methods. Ingeniería y Ciencia. 14, 27 (Jun. 2018), 101–116. DOI:https://doi.org/10.17230/ingciencia.14.27.5.