@article{journal,
author = {Haas, T. C.},
title = {Ecosystem management via interacting models of political and ecological processes},
year = {2004},
volume = {27.1},
pages = {231--245},
journal = {Animal Biodiversity and Conservation},
keywords = {Sistemas sociales, Sistemas ecol{\'o}gicos, Diagramas de influencia}
}