1. Getting models off the ground;Armstrong,1972
2. Natural Predators. Can selective insecticides help to preserve biotic control?;Bartlett;Agric. Chem.,1956
3. Cattle tick research orientation in Uruguay;Bawden,1977
4. Stability in host/parasite systems;Bradley,1974
5. Value of predictors of uncontrolled factors in response functions;Byerlee;Aust. J. Agric. Econ.,1969