Agricultural ecology and environment : proceedings of an Interntional Symposium ..., Padova, Italy, 5-7 April 1988 - International Symposium on Agricultural and Environment (1988 : Padova, Italy); Paoletti, M. G.; Stinner, Benjamin R.; Lorenzoni, G. G. (Amsterdam : Elsevier North-Holland, 1989)
Keywords: Agricultural ecology -- Congresses