Z. Sikora
- A Graphical Approach to Yield and Boundary Surfaces of Selected Hypoplastic Constitutive Equations. In: Archives of Civil Engineering, v. 57, n. 2 (Juni 2011). (2011):
- XVth Polish-French Colloquium on Soil and Rock Mechanics. In: Archives of Civil Engineering, v. 57, n. 1 (März 2011). (2011):