1. Goodman RE, Shi G (1985) Block theory and its application to rock engineering. Prentice-Hall, New Jersey
2. Hoek E, Bray JW (1981) Rock slope engineering. The Institution of Mining and Metallurgy, CRC Press, London
3. Hoek E (1983) Strength of jointed rock masses. 23rd Rankine Lecture. In: Géotechnique 33:187-223
4. Jeng FS, Chiang ML, Lin ML (2004) Analysis of the kinematic stability of pyramidal blocks. SINROCK2004 Symposium. Int J Rock Mech Min Sci 41:3
5. Lana MS, Leite LF, Cabral IE (2009) Aplicação de métodos de agrupamento para definição de famílias de descontinuidades. Revista Brasileira de Geociências 39:657-667