Agroforestry Trust
Rusbury, Near Church Stretton, Shropshire SY6 7 DE, England, U.K.
ICRAF - International Council for Research in Agroforestry P.O. Box 30677, Nairobi, Kenya, Tel: 29867 Telex: 22048
IFOAM - International Federation of Organic Agriculture Movements ökozentrum Imsbach D-6695 Tholey-Theley West Germany
CATIE - Centro Agronomico Tropical de Investigación y Ensenanza Turrialba Costa Rica
International Tree Crops Institute U.S.A. Inc.
Route 1, Box 378, Woodland, California 95695, U.S.A.
International Tree Crops Institute
Convent Lane, Bocking, Braintree, Essex, CM7 6RN England, U.K.