1. Baldi G., Nova R. (1983) Effetti della penetrazione della membrana in prove di liquefazione R. 15° Cong. Naz. Geotecnica, Spoleto, 1, 3–12.
2. Borsetto M., Imperato L., Nova R., Peano A. (1983) Effects of pressuremeter of finite length in soft clay. Proc. Int. conf. ‘In Situ Testing’ Paris, 2, 211–215.
3. Botti E., Canetta G., Nova R., Peduzzi R. (1988) An application of a strain hardening model to the design of tunnels in sand. Proc. 6th ICONMIG, Innsbruck, 3, 1641–1646.
4. Boussinesq J. (1885) Applications des potentielles a 1’etude de 1’equilibre et du mouvement des solides elastiques. Gauthier-Villars, Paris.
5. Britto A. M., Gunn M. J. (1987) Critical State Soil Mechanics via Finite elements. Ellis Horwood.