@article{articlec4800e59, title = {Strategic aspects in sustainability reporting in oil & gas industry: the comparative case study of Brazilian Petrobrás and Spanish Repsol}, author = {Hourneaux Junior, Flavio and Galleli, Bárbara and Gallardo-Vázquez, Dolores and Sanchez-Hernandez, Maria Isabel}, year = {2017}, doi = {10.1016/j.ecolind.2016.08.007}, journal = {Ecological Indicators} }