Não informado. (2004). German constructional engineering for export. Elsner.
Lua i Stíl Chicago (17ú heag.)Não informado. German Constructional Engineering for Export. Darmstadt, Alemanha: Elsner, 2004.
Lua MLA (8ú heag.)Não informado. German Constructional Engineering for Export. Elsner, 2004.
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