Franco Medina, Edgar, Silvio Delvasto Arjona, Héctor Fabio Zuluaga Corrales, Vicente Amigó Borras, and Irma Inírida Angarita Moncaleano. 2013. “Secondary Reinforcement of Portland Cement Pastes Using Nanofibers Aggregated Based on Polyvinyl Alcohol”. Revista De La Construcción. Journal of Construction 12 (3):63-69. http://146.155.94.136/index.php/RDLC/article/view/13642.