10 Jahre HELIOS 10 Years HELIOS
Publication Celebrating the 10th Anniversary of the Launch of HELIOS
on December 10, 1974
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Herbert Porsche, Editor
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10 Jahre HELIOS 10 Years
Herausgeber: DFVLR Oberpfaffenhofen 1984
on behalf of the Federal Minister for Research and Technology, FRG
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ISBN 3-88135-156-6
larry-granroth@uiowa.edu