%0 Journal Article %A V. A. Ponomarchuk %A A. T. Titov %A T. N. Moroz %A A. N. Pyryaev %A A. V. Ponomarchuk %T Hierarchically porous graphene in natural graphitic globules from silicate magmatic rocks %J Nanosistemy: fizika, himiâ, matematika %D 2014 %P 123-129 %V 5 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/NANO_2014_5_1_a16/ %G en %F NANO_2014_5_1_a16