1. Proceedings of the First International Congress on Lightweight Concrete London, May 1968, Volume 1: Papers. Published for the Concrete Society by the Cement and Concrete Association, London.
2. As above, Volume 2: Discussion.
3. Report of the FIP Commission on Lightweight Concrete Structures;Short,1970
4. Report of the FIP Commission on Lightweight Concrete Structures;Bobrowski,1974
5. FIP Commission on Lightweight Concrete — Chairman's Report;Bobrowski,1978