Analysis of chemical abundances in planetary nebulae with [WC] central stars - II. Chemical abundances and the abundance discrepancy factorJorge García-Rojas, Miriam Peña, Christophe Morisset, Gloria Delgado-Inglada, Adal Mesa-Delgado and María Teresa RuizA&A, 558 (2013) A122DOI: https://doi.org/10.1051/0004-6361/201322354