The chemical abundances in a sample of dwarf irregular galaxies - II. The case of IC 4662 and ESO 245-G05A. M. Hidalgo-Gámez, J. Masegosa and K. OlofssonA&A, 369 3 (2001) 797-811DOI: https://doi.org/10.1051/0004-6361:20010179