por Congres international des grands barrages (8 : 1964 : Gran Bretaña) | Comisión Internacional de Grandes Presas.
por Institute of Physics (Great Britain) | American Institute of Physics.
por Mann, R [editor] | Instituto Of Chemical Engineers (great Britain) North Western Branch.
por Orr, William I [ed] | Incorporated Radio Society Of Great Britain.
por Great Britain. Department of the Environment.