Wilkinson.R.H. Braunbeck.O.A. Elements of Agricultural Machinery - Food and Agriculture Organization of the United Nations. Rome 1977 - 295p. ILL.,Cht.,Fig and Table - Volume 2 . ISBN: 92-5-100401-3 Nat. Bib. No.: 6637 Subjects--Topical Terms: Agriculture Universal Decimal Class. No.: 631 / WIL