Cooper, Elmer L. Agricultural mechanics : fundamentals and applications /ed. by Elmer L. Cooper - 3 ed. - México, D.F. : Delmar, 1997. - 756 p. : ilus. ; cuadros ISBN: 0827368542 LCCN: 77516 Subjects--Topical Terms: Mecánica agrícola. Dewey Class. No.: 631.3 / C66 1997