Griffin, George A. Combine harvesting : fundamentals of machine operation / George A. Griffin. - Illinois : Deere an dCo., 1987. - v, 212 p. : ill. ; 28 cm. - Fundamentals of machine operation . Includes index. Open access. ISBN: 0866910980 Subjects--Topical Terms: Agricultural machinery.Farm equipment--Combines Agricultural machinery.Combine agricultural machinery.