APA

Central Electricity Generating Board, . (1982). Use of pfa in concrete. International symposium, Leeds University 14-16 April 1982. Proceedings. Vol 1-2. uo: Central Electricity Generating Board.

Chicago

Central Electricity Generating Board, . 1982. Use of pfa in concrete. International symposium, Leeds University 14-16 April 1982. Proceedings. Vol 1-2. uo: Central Electricity Generating Board.

Harvard

Central Electricity Generating Board, . (1982). Use of pfa in concrete. International symposium, Leeds University 14-16 April 1982. Proceedings. Vol 1-2. uo: Central Electricity Generating Board.

MLA

Central Electricity Generating Board, . Use of pfa in concrete. International symposium, Leeds University 14-16 April 1982. Proceedings. Vol 1-2. uo: Central Electricity Generating Board. 1982.