1973 ANNUAL BOOK OF ASTM STANDARDS: PLASTICS - GENERAL METHODS OF TESTING, NOMENCLATURE (PART 27) - S.E. - Estados Unidos AMERICAN SOCIETY FOR TESTING AND MATERIALS 1973 PHILADELPHIA - 960 LCCN: 108747 Subjects--Topical Terms: NORMAS ASTM Dewey Class. No.: 620.0044