ASTM STANDARDS: ANNUAL BOOK 1973 (PART 31) - S.E. - Estados Unidos AMERICAN SOCIETY FOR TESTING AND MATERIALS 1973 PHILADELPHIA - 1254 LCCN: 108697 Subjects--Topical Terms: EROSIONINGENIERIA MECANICAMETAFISICAMETALES-FATIGAMETALOGRAFIA Dewey Class. No.: 620.0044