TY - BOOK ED - AMERICAN SOCIETY FOR TESTING AND MATERIALS TI - ASTM STANDARDS: ANNUAL BOOK 1973 (PART 31) U1 - 620.0044 PY - 1973/// CY - Estados Unidos PB - AMERICAN SOCIETY FOR TESTING AND MATERIALS KW - EROSION KW - INGENIERIA MECANICA KW - METAFISICA KW - METALES-FATIGA KW - METALOGRAFIA ER -