Eclipse observations of high-frequency oscillations in active region coronal loopsA. C. Katsiyannis, D. R. Williams, R. T. J. Mc Ateer, P. T. Gallagher, F. P. Keenan and F. MurtaghA&A, 406 2 (2003) 709-714DOI: https://doi.org/10.1051/0004-6361:20030458