%0 Journal Article %A S. V. Kovalevskii %A I. A. Moshnikov %A V. V. Kovalevskii %T Heat-treated nano-structured shungite rocks and electrophysical properties associated %J Nanosistemy: fizika, himiâ, matematika %D 2018 %P 468-472 %V 9 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/NANO_2018_9_4_a3/ %G en %F NANO_2018_9_4_a3