1. report prepared for the Commission of the European Communities, DG-12. environmental resources limited, London, april 1979;E.R.L.,1980
2. Wilson D. G., Foley P., Wiesman R. Frondistou-Yannas S. —Demolition debris: quantities, composition and possibilities for recycling, Proceedings, 5th mineral waste utilization symposium, Chicago, april 1976.Aleshin E. Ed., U S bureau of mines, Chicago, Illinois, 1976.
3. Wilson D. G., Davidson T. A., Ng, H.T.S.—Demolition wastes: data collection and separation studies. Massachusetts Institute of Technology, Department of mechanical engineering, Cambridge, Massachusetts, 1979.
4. Mukai T.,et al.—Study on reuse of waste concrete for aggregate of concrete. Paper presented at a seminar on “energy and resources conservation in concrete technology”, Japan-US cooperative science programme, San Francisco, 1979.
5. Nixon P. J.—Recycled concrete as an aggregate for concrete—a reviw. First state-of-the-art report RILEM TC-37-DRC. Materials and Structures (RILEM), no. 65, september–october 1978, pp. 371–378.