Biotic diversity in agroecosystems : papers from a Symposium ... Padova, Italy, 26-29 September 1990 - Symposium on Agroecology and Conservation Issues in Tropical and Temperate Regions (1990 : University of Padova); Pimentel, David, 1925-; Paoletti, M. G. (Amsterdam : Elsevier North-Holland, 1992)
Keywords: Biological diversity -- Congresses; Biotic communities -- Congresses