Environmental effects arising from electricity supply and utilisation and the resulting costs to the utility
Gazomètre et transformateur, énergies nouvelles et société.
Ar propanado : sua utilização antecipada em relação à chegada de gás natural / Pedro A. R. Saraiva
Energy for our world : 11th World Energy Conference - Vol. RT A / Energy, Conference World Energy
A procura de energia em Portugal: cenários alternativos
Conferencia Mundial de la Energía: Simposium con ocasion de su asamblea anual
11 World Energy Conference: technical papers : energy supply
Compte rendu du 97e congrès de l'industrie du gaz : Paris, 22-26 Septembre 1980
Spécifications C. 30 - 3 : complementary requirements concerning combination boilers and groupings of boilers with a total useful output 70kw and 3 500 kw / Association Technique de l' Industrie du Gaz en France
Congrès turbines a gaz 1978 / Congrès turbines a gaz