008210000a22002170004500 PH-MaWHO 20241108112342.0 WHO Expert Committee on Vector Biology and Control (1981 : Geneva). 657477 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]. 92-4-120679-9 Geneva : World Health Organization, 1982. (WHO technical report series ; 679) 39p. WHO/HQ Stack File eng Pest control, Biological 270280 Disease vectors 136635 World Health Organization 657478 http://whqlibdoc.who.int/trs/WHO_TRS_679.pdf MONO 8286 8286 0 0 0 0 WPRO WPRO 2021-05-23 0 WHO/HQ Stack File 08286 2024-01-24 00:00:00 2021-05-23 MONO