@article{calle_miranda_rodríguez_martínez_agudelo_madriñan_girón_baez_2017,  title={Objective assessment of ecosystem hydrological services in tropical areas: A Colombian experience in arid and semi-arid zones},  volume={12},  ISSN={1980-993X},  url={https://doi.org/10.4136/ambi-agua.2098},  DOI={10.4136/ambi-agua.2098},  number={3},  journal={Revista Ambiente & Água},  publisher={Instituto de Pesquisas Ambientais em Bacias Hidrográficas},  author={Calle, Efrain Antonio Domínguez and Miranda, Jaime Andres Moreno and Rodríguez, Maria Helena Olaya and Martínez, Juan Felipe and Agudelo, Cesar Augusto Ruíz and Madriñan, Luis Francisco and Girón, Jaime Burbano and Baez, Sergio Esteban Lozano},  year={2017},  month={May},  pages={365–379} }