Biological control of vectors of diseases : sixth report of the WHO Expert Committee on Vector Biology and Control, meeting held in Geneva from 1 to 7 December 1981/
39 Pages: 20 cm. - (World Health Organization technical report series ; no. 679 ) Content notes : 1. Introduction -- 2. Place of biological control agents in vector control -- 3. Present status of research and development -- 4. Common factors in the biological control of agricultural pests and disease vectors -- 5. Factors affecting the development of biological control agents -- 6. Guidelines for future action -- 7. Conclusions and recommendations
