KNAACK, . U. (2012). Prefabricated systems: Principle s of construction. Birkhauser.
Lua i Stíl Chicago (17ú heag.)KNAACK, Ulrich. Prefabricated Systems: Principle S of Construction. Birkhauser, 2012.
Lua MLA (9ú heag.)KNAACK, Ulrich. Prefabricated Systems: Principle S of Construction. Birkhauser, 2012.
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