Câmara Municipal de Fafe : parque eólico
Energy: global prospects 1985-2000 / Massachusetts Institute of Technology
International directory of power generation 1994 / Turret Group plc
McGraw- Hill's International Energy Outlook / Edit. Donna M. Jablonski
Énergie solaire et stockage d'énergie / R. Dumon
Energy: future alternatives and risks / Academy Forum. National Academy of Sciences
Solar heating and cooling : engineering, pratical design, and economics / Jan F. Kreider, Frank Kreith
Seminaire sur l'enegie solaire / Direction Générale de l'Energie, Institut National de la Recherche Scientifique e Service National et de Coopération Scientifique et Technique de l'Ambassade de France (org.)
Solar energy projects of the Federal Government / Howard L. Magnas
Estudo dum frigorífico solar relatório preliminar / Ministério das Obras Públicas. Laboratório Nacional de Engenharia Civil
Plano Energético Nacional : documentos parte I. análise retrospectiva e recursos energéticos / Secretaria de Estado da Energia