Prieto-Serrano, L. R. (2015). Strain method for doubly reinforced rectangular beams design. Universidad Pedagógica y Tecnológica de Colombia.
Čikaški stil citiranja (17. izdanje)Prieto-Serrano, Luis Rafael. Strain Method for Doubly Reinforced Rectangular Beams Design. Universidad Pedagógica y Tecnológica de Colombia, 2015.
MLA način citiranja (9. izdanje)Prieto-Serrano, Luis Rafael. Strain Method for Doubly Reinforced Rectangular Beams Design. Universidad Pedagógica y Tecnológica de Colombia, 2015.
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