Bibliografia

Principal

• Gonzáles de Vallejo, L.I., Ferre, M., Ortuño, L. e Oteo, C. (2002) Ingeniería Geológica ISBN 9788420531045
• Matos Fernandes, M. (2012) Mecânica dos Solos - Volume I. Conceitos e Princípios Fundamentais ISBN-13: 978-989-746-145-3
• Das, B. M. (2010) Principles of Geotechnical Engineering ISBN-10 ‏ : ‎ 0357420470

Secundária

• ISRM (1978) Suggested methods for the quantitative description of discontinuities in rock masses https://doi.org/10.1016/0148-9062(78)91472-9
• Hudson, J.A, Harrison, J.P. (1997) Engineering Rock Mechanics. An Introduction to the Principles. ISBN: 9780080438641
• Singh, B., Goel, R.K. (1999) Rock Mass Classification – A Practical Approach in Civil Engineering ISBN 9780080430133