Allen, J.A. Studies in innovation in the steel & chemical industries - Manchester University Press Manchester 1967 - 232p - Chemical industries Steel industry Polythene Terylene ISBN: 7190 0293 I = Allen, J.A. Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: 0350 Nat. Bib. Agency Control No.: 66.002 ALE Subjects--Topical Terms: Chemical industry Universal Decimal Class. No.: 66.002