Frequency rising sub-THz emission from solar flare ribbonsE. P. Kontar, G. G. Motorina, N. L. S. Jeffrey, Y. T. Tsap, G. D. Fleishman and A. V. StepanovA&A, 620 (2018) A95DOI: https://doi.org/10.1051/0004-6361/201834124
