ASTM STANDARDS: ANNUAL BOOK 1973 (PART 30) - S.E. - Estados Unidos AMERICAN SOCIETY FOR TESTING AND MATERIALS 1973 PHILADELPHIA - 1633 LCCN: 108700 Subjects--Topical Terms: CROMATOGRAFIAESPECTROSCOPIA MOLECULARMICROSCOPIARADIOISOTOPOSRESINOGRAFIA Dewey Class. No.: 620.0044