1. Aas, G., 1965. A study of the effect of vane shape and rate of strain on the measured values of in-situ shear strength of clays. Proc. 6th Int. Conf. Soil Mech. Found. Eng., Montreal, 1: 141–145. (Also in: Norwegian Geotech. Inst., Pub. No. 65, 1965)
2. Aas, G., 1967. Vane tests for investigation of anisotropy of undrained shear strength of clays. Proc. Geotech. Conf. Shear Strength of Natural Soils and Rocks, Oslo, 1: 3–8. (Also in: Norwegian Geotech. Inst., Pub. No. 76, 1969).
3. Aas, G., 1976. Totalspenningsanalyser—prinsipp, grundlag (Principles of total stress analysis). Proc. Symp. Soil Properties, Norwegian Soc. Civil Engrs, Oslo, 16 p.
4. Amar, S., Baguelin, F., Jézéquel, J.F. and Le Mehaute, A., 1979. In situ shear resistance of clays. Proc. Conf. In Situ Measurement of Soil Properties, Raleigh, N.C., 1: 22–49.
5. Fundamentering av småhus forsok utfort med borede peler på Manglerud december 1966 januar 1967 (Tests on bored piles for foundations to small buildings carried out during December 1966 to January 1967);Andresen;Norwegian Geotech. Inst., Internal Rep.,1967