Não informado. (2018). Concrete and Constructional Engineering. Concrete Publications.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Concrete and Constructional Engineering. London: Concrete Publications, 2018.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Concrete and Constructional Engineering. Concrete Publications, 2018.
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