Magnetic fields in barred galaxies - III. The southern peculiar galaxy NGC 2442 J. Harnett, M. Ehle, A. Fletcher, R. Beck, R. Haynes, S. Ryder, M. Thierbach and R. Wielebinski A&A, 421 2 (2004) 571-581 Published online: 22 June 2004 DOI: 10.1051/0004-6361:20034377