História da Electricidade / Mário Mariano
Energy for our World : 11Th World Energy Conference / World Energy Conference
Problems of Electrical Power Generation - A System Approach / Arnaldo M. Angelini
Review of the energy sector repply to the IBRD list of information required / Companhia Portuguesa de Electricidade
Sources primaires d'énergie
Seventh World Energy Conference
World Power Conference Survey of Energy Resources
15 Sectional Meeting of the World Power Conference