M. Ziółkowska and  J. T. Duda and  J. Milewska-Duda,  Evaluation of Hydrogen Particle Volume on Surfaces of Selected Nanocarbons.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2014, vol. 94(10). 1166 - 1171
    [viewed 25 May 2020]. Available from: https://publications.waset.org/pdf/9999604.