World Renewable Energy Congress Staff

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  Energy Conservation in Buildings: The Achievement of 50% Energy Saving An Environmental Challenge? Proceedings of Northsun 90 an International Co
  by A.A.M. Sayigh
  Hardcover, Elsevier Science Ltd, ISBN 0080372155 (0-08-037215-5)
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  World Renewable Energy Congress VI : Renewables: the Energy for the 21 st Century
  by A. A. M. Sayigh, World Renewable Energy Congress Staff
  Softcover, Elsevier, ISBN 0080438652 (0-08-043865-2)