J. Serrano-Arellano, M. Gijón-Rivera, J. Riesco-Ávila, J. Xamán, and G. Álvarez, “Indoor air quality analysis based on the ventilation effectiveness for CO$_2$ contaminant removal in ventilated cavities”, Rev. Mex. Fís., vol. 60, no. 4 Jul-Aug, pp. 309–0, Jan. 2014.