Prolonged millimeter-wave radio emission from a solar flare near the limb S. Pohjolainen, J. Hildebrandt, M. Karlický, A. Magun and I. M. Chertok A&A, 396 2 (2002) 683-692 Published online: 03 December 2002 DOI: 10.1051/0004-6361:20021431