The microwave subsecond pulse of September 17, 2001: The spectrum, location and size of the sourceA. T. Altyntsev, S. V. Lesovoi, N. S. Meshalkina, R. A. Sych and Yihua YanA&A, 400 1 (2003) 337-346DOI: https://doi.org/10.1051/0004-6361:20021905