Proceedings of the Conference on the Conservation of Materials [held at] Harwell, 26 and 27 March 1974 /
Conservation of Materials (Conference)(1974 :Harwell)
British National Committee on Materials.
Institution of Chemical Engineers (Great Britain)
Harwell Laboratory (Oxfordshire, England)
[Abingdon] :  Harwell, 
1974.
Recycling (Waste, etc.)
Conservation of natural resources