@book{46030,
	author = {Alves, E.R. de A. and Empresa Brasileira de Pesquisa Agropecuaria, Brasilia, DF (Brasil)},
	title = {The challenge of agricultural research in Brazil},
	year = {1983. },
	address = {Brasilia, DF (Brasil): },
	note = {14 ref.}
}