Oxygen abundance distributions in six late-type galaxies based on SALT spectra of H II regions I. A. Zinchenko, A. Y. Kniazev, E. K. Grebel and L. S. Pilyugin A&A, 582 (2015) A35 Published online: 01 October 2015 DOI: 10.1051/0004-6361/201526311