Harris, Anthony George. Farm machinery / A. G. Harris, T. B. Muckle, J. A. Shaw. - 2nd ed. - London : Oxford University Press, 1974. - [8], 280 p. : ill. ISBN: 0198594410 : 3.50 Nat. Bib. No.: GB74-22091 Subjects--Topical Terms: Agricultural machinery. LC Class. No.: S675 / .H34 1974 Dewey Class. No.: 631.3