TY JOUR TI Observing the neutron component during thunderstorm activity at a mountain CR station KW cosmic rays KW atmospheric electricity JO Solnechno-Zemnaya Fizika AU Lukovnikova, A.A. AU Aleshkov, V.M. AU Lysak, A.S. PY 2019 IS 5 PB Institute of Solar-Terrestrial Physics SB RAS