1. Effects of chemicals on earthworms: a review of the literature;Davey,1963
2. Use of grassland plots to study the effect of pesticides on earthworms;Edwards;Pedobiologia,1982
3. Pesticides and the soil fauna;Edwards;Residue Review,1973
4. Changes in soil invertebrate populations caused by some organophosphorus insecticides;Edwards,1968
5. Preliminary investigations on the penetration and persistance of DDT under pasture;Gallaher;New Zealand Journal of Agricultural Research,1961