Lever, Arnold Eric The properties and testing of plastics materials / A. E. Lever [and] J. Rhys - London : Temple Press, 1957 - ix, 197 p. : ill. ; 25 cm. Glossary : p. 185-187 Includes index ISBN: Rs. 75.60 Subjects--Topical Terms: Plastics--Testing Dewey Class. No.: 668.419