Mattos, P.C. Herrmann, P.R. Capelli, N.L. Correa, I.M. <br/><br/>
Estudo comparativo de desempenho de trator agricola empregando oleo diesel e mistura etanol/oleo de mamona, como combustiveis [Ricinus communis] 
 Comparative studies on farm tractor performance with diesel oil and mixture of ethanol/castor oil as fuels [Ricinus communis] 

<br/><br/><label>Subjects--Topical Terms: </label><br/>Recurso energetico<br/>Equipamento rural<br/>Trator<br/>Mamona<br/>Combustivel<br/>Oleo diesel<br/>Etanol