Anuário 2015 APREN / APREN- Associação Portuguesa de Energias Renováveis
Fontes e receptores de energia
Proceedings of the United Nations conference on new sources of energy
Sources nouvelles d'énergie et production d'énergie
New sources of energy and energy development.
United Nations conference on new sources of energy: solar energy, wind power and geothermal energy
United Nations conference on new sources of energy : solar energy, wind power and gerthermal energy
United Nations conference on new sources of energy: solar energy, wind power and gerthermal energy