WASET
    Na Li and  Samuel Simon Araya and  Søren Knudsen Kær,  Effect of Current Density, Temperature and Pressure on Proton Exchange Membrane Electrolyser Stack.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2021, vol. 169(1). 15 - 18
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10011721.