TY - BOOK AU - Ledwith,A. AU - North,Alastair M. TI - Molecular behaviour and the development of polymeric materials SN - 0412124009 PY - 1975/// CY - New York PB - John Wiley & Sons KW - Bawn, C. E. H. KW - Polymers N1 - 'A Halsted Press book.'; Includes bibliographical references and index ER -