Photoionization models of the CALIFA H II regions - I. Hybrid models C. Morisset, G. Delgado-Inglada, S. F. Sánchez, L. Galbany, R. García-Benito, B. Husemann, R. A. Marino, D. Mast, M. M. Roth and CALIFA collaboration A&A, 594 (2016) A37 Published online: 07 October 2016 DOI: 10.1051/0004-6361/201628559