1. ARIES, 2012. ARIES: Artificial Intelligence for Ecosystem Services. Available from: 〈http://www.ariesonline.org〉 (accessed 14.04.12).
2. Bagstad, K.J., Semmens, D., Winthrop, R., Jaworski, D., Larson, J. Ecosystem Services Valuation to Support Decision-Making on Public Lands: A Case Study for the San Pedro River, Arizona. USGS Scientific Investigations Report, Reston, VA, in press.
3. What are ecosystem services? The need for standardized environmental accounting units;Boyd;Ecological Economics,2007
4. BSR Environmental Services, Tools, and Markets Working Group, 2011. New Business Decision-Making Aids in an Era of Complexity, Scrutiny, and Uncertainty: Tools for Identifying, Assessing, and Valuing Ecosystem Services. BSR, San Francisco, CA.
5. Conservation planning for ecosystem services;Chan;PLoS Biology,2006