1. Localization and bifurcation theory for soils and rocks,1998
2. A state parameter for sand;Been;Gèotechnique,1985
3. Bronstein IN, Semendjajew KA, Musiol G, Muehlig G. Taschenbuch der mathematik; 2001 [Polish translation, PWN, 2007, Warsaw].
4. Castro G. Liquefaction of sands. Harvard Soil Mech. Ser. No. 81; 1969. p. 112.
5. Localisation and bifurcation theory for soils and rocks,1994