Clements, Harold M. The mechanization of agriculture in Brazil : a sociological study of Minas Gerais - Geinesville : University of Florida, 1969 - 92 p. : ilus. - Latin American monographs. Second series ; 7 . - Latin American monographs. Second series ; 7 . LCCN: 21829 Subjects--Topical Terms: Agricultura--Brasil.Brasil--Condiciones rurales.Mecanización agrÃcola. Dewey Class. No.: 631.3 / C5