V. D. Thi and  M. Li and  M. Khelifa and  M. El Ganaoui and  Y. Rogaume,  Finite Element Modeling of Heat and Moisture Transfer in Porous Material.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2017, vol. 124(4). 345 - 351
    [viewed 23 October 2019]. Available from: https://publications.waset.org/pdf/10007060.