Estañero, R. A. Strength design for combined torsion shear and bending. Philippine Engineering Journal.
Chicago-referens (17:e uppl.)Estañero, Romeo A. "Strength Design for Combined Torsion Shear and Bending." Philippine Engineering Journal .
MLA-referens (9:e uppl.)Estañero, Romeo A. "Strength Design for Combined Torsion Shear and Bending." Philippine Engineering Journal, .
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