Prinsley,R.T. Integrated crop protection for small scale forms in E.C. Africa - Marlborough House London 1987 - Crop Protection - CSC Technical publication series No.243 . = Prinsley,R.T. Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: p690 Nat. Bib. Agency Control No.: 633.623.951 PRI Subjects--Topical Terms: Agriculture Universal Decimal Class. No.: 633.623.951