Title: Alternate Stable States and Threshold Effects in Semi-Arid Grazing Systems.

Authors: Rietkerk, M., and J. Vandekoppel.

Citation: Rietkerk, M., and J. Vandekoppel. 1997. Alternate Stable States and Threshold Effects in Semi-Arid Grazing Systems. Oikos 79, no. 1: 69-76.