1. EN 197-1, Cement. Composition, specifications and conformity criteria for common cements, CEN, Brussels (2011).
2. SN EN 206, Concrete. Specification, performance, production and conformity, National Appendix, SIA, Zürich, Switzerland (2013) (in French and German).
3. Recycled concrete and mixed rubble as aggregates: influence of variations in composition on the concrete properties and their use as structural material;Hoffmann;Constr. Build. Mater.,2012
4. Recycled aggregate concrete: experimental shear resistance of slabs without shear reinforcement;Schubert;Eng. Struct.,2012
5. SIA 2030 – Recycling Concrete, SIA, Zürich, Switzerland (2010) (in French and German).