@article{Costanza_1998,
title={The value of ecosystem services: putting the issues in perspective},
volume={25},
ISSN={0921-8009},
url={http://dx.doi.org/10.1016/s0921-8009(98)00019-6},
DOI={10.1016/s0921-8009(98)00019-6},
number={1},
journal={Ecological Economics},
publisher={Elsevier BV},
author={Costanza,
Robert and d’Arge,
Ralph and de Groot,
Rudolf and Farber,
Stephen and Grasso,
Monica and Hannon,
Bruce and Limburg,
Karin and Naeem,
Shahid and O’Neill,
Robert V and Paruelo,
Jose and Raskin,
Robert G and Sutton,
Paul and van den Belt,
Marjan},
year={1998},
month=apr,
pages={67–72} }