1.
Câmara Municipal de Fafe : parque eólico
2.
Câmara Municipal de Fafe : parque eólico
3.
Sources nouvelles d'énergie et production d'énergie
4.
11 World Energy Conference: technical papers : energy supply
5.
Fontes e receptores de energia
6.
United Nations conference on new sources of energy: solar energy, wind power and geothermal energy
7.
United Nations conference on new sources of energy : solar energy, wind power and gerthermal energy
8.
United Nations conference on new sources of energy: solar energy, wind power and gerthermal energy
9.
United Nations conference on new sources of energy: solar energy, wind power and geothermal energy
10.
United Nations conference on new sources of energy: solar energy, wind power and geothermal energy
11.
United Nation conference on new sources of energy: solar energy, wind power and geothermal energy
12.
United Nations conference on new sources of energy: solar energy, wind power and geothermal energy