1. Recycled aggregates in ready-mixed concrete;Collins,1996
2. Strengths of recycled aggregate concrete made using field-demolished concrete as aggregate;Tavakoli;ACI Mater. J.,1996
3. Using waste concrete as aggregate;Topcu;Cem. Concr. Res.,1995
4. Specification for concrete with recycled aggregates;RILEM 121-DRG;Materials and Structures,1994
5. Effective use of aggregates and bulk construction materials: the role of specifications;Building Research Establishment,1993