Optical and EUV observations of solar flare kernelsD. García-Alvarez, C. M. Johns-Krull, J. G. Doyle, I. Ugarte-Urra, M. S. Madjarska and C. J. ButlerA&A, 444 2 (2005) 593-603DOI: https://doi.org/10.1051/0004-6361:20053708