Authors: Ayensu, E Claasen, DV Collins, M Dearing, A Fresco, L Gadgil, M Gitay, H Glaser, G Lohn, CL Krebs, J Lenton, R Lubchenco, L McNeely, JA Mooney, HA Pinstrup-Andersen, P Ramos, M Raven, P Reid, WV Samper, C Sarukhan, J Schei, P Tundisi, JG Watson, RT Xu, GH Zakri, AH

Citation: E. Ayensu et al., Ecology - International ecosystem assessment, SCIENCE, 286(5440), 1999, pp. 685-686