Requerimientos energéticos de una sembradora-abonadora en la labranza cero
Pedro Paneque Rondón, Elton Fialho Reis, Cristiano Márcio Alves Souza, Luiciano Baiāo Vieira
http://www.redalyc.org/articulo.oa?id=93211202
Agriculture, Environmental technology. Sanitary engineering