European Commission, Enne, G., Peter, D., & Pottier, D. (2001). Desertificaiton convention: Data and information requirements for interdisciplinary research : proceedings of the international workshop held in Algero, Italy 9 to 11 October 1999. Office for Official Publications of the European Communities.

European Commission, G. Enne, D. Peter, and D. Pottier. Desertificaiton Convention: Data and Information Requirements for Interdisciplinary Research : Proceedings of the International Workshop Held in Algero, Italy 9 to 11 October 1999. Luxembourg: Office for Official Publications of the European Communities, 2001.

European Commission, et al. Desertificaiton Convention: Data and Information Requirements for Interdisciplinary Research : Proceedings of the International Workshop Held in Algero, Italy 9 to 11 October 1999. Office for Official Publications of the European Communities, 2001.