Magnetic fields in barred galaxies - IV. NGC 1097 and NGC 1365R. Beck, A. Fletcher, A. Shukurov, A. Snodin, D. D. Sokoloff, M. Ehle, D. Moss and V. ShoutenkovA&A, 444 3 (2005) 739-765DOI: https://doi.org/10.1051/0004-6361:20053556