1
Guidelines for the economic analysis of renewable energy technology applications : International Energy Agency workshop of the economics of renewable energy technologies: findings : Montebello, 17.10.87-21.10.87.
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2
Statusreport erneuerbare Energien.
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3
International summer school solar energy 0004: technologies, applications, economics : Klagenfurt, 11.08.92-21.08.92.
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4
Aiaa/aserc conference on solar energy : Technology status. 25 papers : Phoenix, AZ, 27.11.78-29.11.78.
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5
Energie solaire, conversion et applications /
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6
Nonconventional energy : International symposium on nonconventional energy. 0002 : Trieste, 14.07.1981-06.08.1981.
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7
National conference on renewable energy sources 0003: special issue: summaries of papers : Salonika, 09.11.88-11.11.88.
Book
8
National conference on renewable energy sources 0004: special issue: summaries of papers : Salonika, 08.10.92-08.10.92.
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9
Sonnenenergie: Herausforderung für Forschung, Entwicklung und internationale Zusammenarbeit /
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10
Advances in solar energy. 7 : an annual review of research and development /
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