de Groot, R, Costanza, R, Braat, L, Brander, L, Burkhard, B, Carrascosa, JL, Crossman, N, Egoh, B, Geneletti, D, Hansjuergens, B, Hein, L, Jacobs, SJ, Kubiszewski, I, Leimona, B, Li, B, Liu, J, Luque, S, Maes, J, Marais, C, Maynard, S, Montanarella, L, Moolenaar, S, Obst, C, Quintero, M, Saito, O, Santos-Martín, F, Sutton, P, van Beukering, P, van Weelden, M
& Willemen, L 2018, '
Ecosystem Services are Nature’s Contributions to People: Response to: Assessing nature's contributions to people',
Science Progress, vol. 359, no. 6373, ta. <
http://science.sciencemag.org/content/359/6373/270/tab-e-letters>