Journal: "renewable energy" | issue 1 / January, 2011 |
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R. Hausner, G. M. Wallner – Journal Publication (p. 6-8)
"Pressureless, empty solar-thermal systems for Polymeric collectors"
R. W. Lang, G. M. Wallner, J. Fischer – Journal Publication (p. 9-11)
"Cooperative flagship project: solar-thermal systems based on polymeric materials"
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