Rodriguez-Covili, J., Ochoa, S. F., Pino, J. A., Meseguer, R., Medina, E., & Royo, D. (2011). A communication infrastructure to ease the development of mobile collaborative applications. Journal of Network and Computer Applications, 34, 1883-1893. https://doi.org/10.1016/j.jnca.2010.12.014