Ismail, M. S., Ingham, D. B., Hughes, K. J., Ma, L., & Pourkashanian, M. (2015). Effective diffusivity of polymer electrolyte fuel cell gas diffusion layers: An overview and numerical study. International Journal of Hydrogen Energy, 40(34), 10994-11010. https://doi.org/10.1016/j.ijhydene.2015.06.073