Large and small-scale structures and the dust energy balance problem in spiral galaxies W. Saftly, M. Baes, G. De Geyter, P. Camps, F. Renaud, J. Guedes and I. De Looze A&A, 576 (2015) A31 Published online: 19 March 2015 DOI: 10.1051/0004-6361/201425445