Magnetic fields in barred galaxies - I. The atlas R. Beck, V. Shoutenkov, M. Ehle, J. I. Harnett, R. F. Haynes, A. Shukurov, D. D. Sokoloff and M. Thierbach A&A, 391 1 (2002) 83-102 Published online: 29 July 2002 DOI: 10.1051/0004-6361:20020642