Thunderstorm ground enhancements observed on Aragats mountain in Armenia in the wintertimeA. Chilingarian, G. Hovsepyan, D. Aslanyan, T. Karapetyan, B. Sargsyan and E. SvechnikovaEPL, 143 5 (2023) 59002DOI: https://doi.org/10.1209/0295-5075/acf340