Bayer, W., and Waters-Bayer, A. Publication year: 2002 Pages: 89p Publisher GTZ Deutsche Gesellschaft fur Technische Zusammenarbeit (GTZ) GmbH, Division for Rural Development, PO Box 5180, D-65726 Eschborn, Germany OR ETC Ecoculture/ETC Foundation, PO Box 64, NL-3830 AB Leusden, Netherlands Eschborn, Germany www.gtz.de OR www.etcint.org Publisher reference: GTZ
