Biotic diversity in agroecosystems : papers from a Symposium on Agroecology and Conservation Issues in Tropical and Temperate Regions, University of Padova, Padova, Italy, 26-29 September 1990 / edited by M.G. Paoletti and D. Pimentel.
Symposium on Agroecology and Conservation Issues in Tropical and Temperate Regions (1990 : University of Padova) | Date: 1992