| Alvarez-Valencia Daniel, Dagher Habib J., Lopez-Anido Roberto, Davids William, Gardner Douglas 2009. "Behavior of Natural-Fiber/Thermoplastic Sheet Piling", COMPOSITES & POLYCON, American Composites Manufacturers Association. |

| Alvarez-Valencia Daniel, Dagher Habib J., Lopez-Anido Roberto, Davids William, Gardner Douglas 2009. "Behavior of Natural-Fiber/Thermoplastic Sheet Piling", COMPOSITES & POLYCON, American Composites Manufacturers Association. |