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