Footnote:
Repr. from the Proceedings of the 6th International Conference on Soil Mechanics and Foundation Engineering, Montreal 1965. Vol. 1. - Enth.: Effects of rotation of the principal stress axes and of the intermediate principal stress on the shear strength / by B. B. Broms and A. O. Casbarian. Analysis of the triaxial test - cohesionless soils / by B. B. Broms and A. K. Jamal