1979 ANNUAL BOOK OF ASTM STANDARDS - PART 14 (CONCRETE AND MINERAL AGGREGATES) - S.E. - EASTON Estados Unidos AMERICAN SOCIETY FOR TESTING AND MATERIALS 1979 - 826 DADO DE BAJA POR OBSOLETO EL 25/02/2011 LCCN: 58445 Subjects--Topical Terms: AGREGADOS MINERALESCONCRETONORMAS Dewey Class. No.: 692.3