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]

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] WHO Expert Committee on Vector Biology and Control (1981 : Geneva) creator World Health Organization eng 39p. Pest control, Biological Disease vectors 92-4-120679-9 20241108112342.0