DELLERE, R. & SYMOENS, J.-J. (Eds.) Agricultural Intensification and Environment in Tropical Areas (PDF format)
DELLERE, R. & SYMOENS, J.-J. (Eds.) Agricultural Intensification and Environment in Tropical Areas Seminar Brussels 5-6 June 1990 (203 pp., 8 fig., 10 tab., 1991)