@article{journal,
author = {Delibes Mateos, M. and Delibes, A.},
title = {Pets becoming established in the wild: free–living Vietnamese potbellied pigs in Spain},
year = {2013},
volume = {36.2},
pages = {209--215},
journal = {Animal Biodiversity and Conservation},
keywords = {Cerdo asilvestrado, B{\'u}squeda en Google, Comercio de mascotas, Jabal{\'i}}
}