McKyes, Edward. Soil cutting and tillage / Edward McKyes. - Amsterdam ; New York : Elsevier, 1985. - vii, 217 p. : ill. ; 25 cm. - Developments in agricultural engineering ; no. 7 . Includes indexes. Bibliography: p. 157-161. ISBN: 0444425489 Subjects--Topical Terms: Tillage. Dewey Class. No.: K 631.51 McK