Tawfik, Mohamed, Elio Sancristobal, Sergio Martin, Charo Gil, Alberto Pesquera, Pablo Losada, Gabriel Diaz, Juan Peire, Manuel Castro, Javier García-Zubia, Unai Hernández, Pablo Orduña, Ignacio Angulo, M. C. Costa Lobo, M.A. Marques, M. C. Viegas, and Gustavo R. Alves. 2012. “VISIR: Experiences and Challenges”. International Journal of Online and Biomedical Engineering (iJOE) 8 (1):pp. 25-32. https://doi.org/10.3991/ijoe.v8i1.1879.