JOHNSON, R. (1984). Composite Structures Of Steel And Concrete Rp Johnson. Granada.
Lua i Stíl Chicago (17ú heag.)JOHNSON, RP. Composite Structures Of Steel And Concrete Rp Johnson. Granada, 1984.
Lua MLA (8ú heag.)JOHNSON, RP. Composite Structures Of Steel And Concrete Rp Johnson. Granada, 1984.
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