Lockhart, J. A. R. Introduction to crop husbandry / by J.A.R. Lockhart and A.J.L. Wiseman. - 5th ed. - Oxford ; New York : Pergamon Press, 1983. - xi, 256 p. : ill. ; 25 cm. - Pergamon international library of science, technology, engineering, and social studies . Includes bibliographies and index. ISBN: 0080297935 : $45.00 0080297927 (pbk.) : $17.00 Source: B-2474 LCCN: 82016568 Subjects--Topical Terms: Crops.Agriculture.Crops--Great Britain.Agriculture--Great Britain. LC Class. No.: SB98 / .L64 1983 Dewey Class. No.: 631/.0941