TY JOUR TI Heating manifestations at the onset of the 29 June 2012 flare KW Sun KW fine temporal structure KW heating mechanisms KW microwave bursts KW coherent emission KW thermal front KW Neupert effect JO Solar-Terrestrial Physics AU Meshalkina, N.S. AU Altyntsev, A.T. PY 2024 IS 10 PB INFRA-M Academic Publishing LLC.