1996 - Bactid Bacteriological Identification System for Resourcepoor Plant Pathology Laboratories (Paperback) ISBN-13: 9780859544382 ISBN-10: 0859544389 ? 1995 - Plant Quarantine a Primer for Development Workers (Paperback) ISBN-13: 9780859543972 ISBN-10: 0859543978 ? Plant Clinic a Training System for Decisionmaking Resource Management in Plant Disease Diagnostics (Paperback) ISBN-13: 9780859543965 ISBN-10: 085954396X ? |