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Lua i Stíl Chicago (17ú heag.)Wedemeyer, Erich, agus Alfred Heddergott. The Rubber Tube Test Section of the DFVLR in Göttingen. Köln: DFVLR, 1985.
Lua MLA (8ú heag.)Wedemeyer, Erich, agus Alfred Heddergott. The Rubber Tube Test Section of the DFVLR in Göttingen. DFVLR, 1985.
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