Third International Conference on Metering, Apparatus and Tariffs for Electricity Supply : 15-17 November 1977, venue the Institution of Electrical Engineers, Savoy Place, London W.C.2 / organised by the Power Division of the Institution of Electrical Engineers in association with the Institute of Electrical and Electronics Engineers (United Kingdom and Republic of Ireland Section), Organisation internationale de métrologie légale. (Institution of Electrical Engineers conference publication ;, 1977)