"Animaux et plantes nuisibles, Lutte biologique contre les." . . "Waage, J.K." . . . . "Developing countries." . . . . . . . . "Opportunities for Biological Control of Agricultural Pests in Developing Countries" . . . . . . "Opportunuties for biological control of agricultural pests in developing countries" . . . "Opportunities for biological control of agricultural pests in developing countries" . . . . . . . . . . . . "Background and achievements of biological control; Implementation of biological control; Broad assessment of biological control potential; Biological control in cereals, root crops, grain legumes, oil seeds, sugarcane, coffee, tea, cocoa, coconut, oil palm, rubber, tobacco, cotton, potato, banana, citrus, pineapple, apple, date, nuts, forage, pastures; Major pest problems affecting several crops; Weeds." . . . . "Plantes Protection Pays en voie de développement." . . "Plantes Protection." . . "Animaux et plantes nuisibles, Lutte biologique contre les Pays en voie de développement." . .