TY - JOUR AU - S. V. Kovalevskii AU - I. A. Moshnikov AU - V. V. Kovalevskii TI - Heat-treated nano-structured shungite rocks and electrophysical properties associated JO - Nanosistemy: fizika, himiâ, matematika PY - 2018 SP - 468 EP - 472 VL - 9 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NANO_2018_9_4_a3/ LA - en ID - NANO_2018_9_4_a3 ER -