1. Wave Propagation in Elastic Solids;Achenbach,1973
2. AFREM Durabilité des bétons, Essai de perméabilité aux gaz du béton durci: mode opératoire recommandé, 1996.
3. Modelling of permeability in cement-based materials: Part 1. Uncracked medium;Breysse;Cement and Concrete Research,1997
4. Testing of Concrete in Structures;Bungey,1996
5. Seismic velocities;Christensen,1982