1. Aggregates — the issues,1973
2. The use of byproducts in concrete;Gutt;Resources Policy,1974
3. An investigation into the production of sintered pfa aggregate;Harrison;Building Research Establishment, Current Paper CP 2/75,1975
4. A survey of possible sources in Wales of raw materials for the manufacture of a lightweight expanded slate aggregate;Coleman;Building Research Establishment, Current Paper CP 78/74,1974
5. Synthetic aggregates sources and resources;Harrison;Concrete,1974