Multi-wavelength fine structure and mass flows in solar microflares S. Berkebile-Stoiser, P. Gömöry, A. M. Veronig, J. Rybák and P. Sütterlin A&A, 505 2 (2009) 811-823 Published online: 11 August 2009 DOI: 10.1051/0004-6361/200912100