1. The importance of pesticides in developing countries;Adam,1976
2. Nitrate and chloride in ground-water, surface water and deep soil profiles of central Canterbury, New Zealand;Adams;Prog. Water Technol.,1979
3. The integrated control of the insect pests of cotton;Adkisson;Proc. Tall Timbers Conf. Ecol. Anim. Cont. Hab. Manag.,1972
4. Influence of insecticides on soil microorganisms and their biochemical activity;Agnihotri;Pesticides,1981
5. Groundwater quality in relation to land application of sewage sludge;Ahtiainen,1986