1. AFTES, GT4R3F1, 2000. Choix des techniques d’excavation mécanisée, Recommandations. Revue TOS, 157, 7–31.
2. ASTM C 143/C 143 M. 2015. Standard test method for slump of hydraulic-cement concrete.
3. Research in soil conditioning for EPB tunnelling through difficult soils;Ball,2009
4. Boone, S. J., Artigiani, E., Shirlaw, J.N., Ginanneshi, R. Leinala, T., Kochmanova, N., 2005. Use of ground conditioning agents for earth pressure balance machine tunnelling. Tunnelling for a sustainable Europe : proceeding of an international congress pf Association Française des Travaux en Souterrain (AFTES) (Ed.), Spécifique, Lyon 2005, pp. 313–319. ISBN: 2951041667.
5. Study of the permeability of foam conditioned soils with laboratory tests;Borio;Am. J. Environ. Sci.,2010