1. Le poids et le nombre d'ovarioles chez les larves nouveau—nées de Locusta migratoria migratorioides (R. and F.);Albrecht;C.R. Acad. Sci., Paris,1956
2. Specializations in organs and movements with a releasing function;Baerends,1950
3. Innate and acquired behaviour affecting the aggregation of fishes;Breder;Physiol. Zool,1946
4. The marching behaviour of hoppers of the African migratory locust (Locusta migratoria migratorioides R. & F.) in the laboratory;Ellis;Anti-Locust Bull,1951
5. Social aggregation and gregarious behaviour in hoppers of Locusta migratoria migratorioides (R. & F.);Ellis;Behaviour,1953