Universidad de Chile, Programa de Investigaciones en EnergíaGroen, R.Sáez, J.C.2007-11-121989-04-012007-11-121987http://hdl.handle.net/10625/4902"Non completed, preliminary version"Text1 digital file (111 p. : ill.)application/pdfenANIMAL POWERRURAL AREASCHILEAGRICULTURAL ENGINEERINGAPPROPRIATE TECHNOLOGYAGRICULTURAL EQUIPMENTTRENDSIDRC Final Report