Spatially resolved microwave oscillations above a sunspot A. Nindos, C. E. Alissandrakis, G. B. Gelfreikh, V. M. Bogod and C. Gontikakis A&A, 386 2 (2002) 658-673 Published online: 15 May 2002 DOI: 10.1051/0004-6361:20020252