1. Diversification of agricultural landscapes — a vital element for pest control in sustainable agriculture;Altieri,1985
2. Agroecology, the scientific basis of alternative agriculture;Altieri,1987
3. Reduced-input agricultural systems: Rationale and prospects;Buttel;Am. J. Alternative Agric.,1986
4. The transition to organic agriculture: A multiyear simulation model of a Pennsylvania farm;Dabbert;Am. J. Alternative Agric.,1986
5. Sustainable Agriculture and Integrated Farming Systems,1985