1. A nonymous Resistance of aphids. ( Myzus persicae Sulz.) to organophosphate insecticides Rothamsted exp. St. Rep. 1972 1973 179
2. Esterase variation and organophosphate tolerance in populations of Aphis fabae and Myzus persicae;Beranek;Ent. exp. & appl.,1974
3. Observations sur la résistance de Myzus persicae Sulz. au Parathion Méthyle;Bonnemaison;Phytiatrie-Phytopharmacie.,1972
4. Endomeiosis in parthenogenetic lines of aphids;Cognetti;Experientia.,1961