1. Alejano, L.R. 2006. Una metodología empírica para estimar las propiedades resistentes de los jabres o granitos alterados (An empirical method to estimate the strength properties of HDG and CDG — highly and completely decomposed granites). Ingeniería del Terreno. Ingeo Ter 6. Book chapter n°1. 2006. U.D. Proyectos, E.T.S.I. Minas-U.P.M. Madrid.
2. Alejano, L.R.; García Bastante, F., Alonso, E. y Gómez-Márquez, I. 2001. Stability analysis and design of two quarry slopes with the help of numerical modelling. EUROCK 2001. ISRM Symposium. Rock Mechanics a challenge for society. Espoo, Finland. Ed. Balkema.
3. Alejano, LR, Gómez Márquez, I, Pons, B, García Bastante, F. and Alonso, E. 2006. Stability analysis of a potentially toppling over-tilted slope in granite. 4th Asian Rock Mechanics Symposium. Asian Society of Rock Mechanics. Singapore, 8–12, November, 2006. Ed. Univ. of Singapore.
4. ASTM D2487-06e1. 2006. Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System).
5. ASTM D-422-63. 2007. Standard Test Method for Particle-Size Analysis of Soils.