TY  - BOOK
ED  - AMERICAN SOCIETY FOR TESTING  AND MATERIALS
TI  - 1976 ANNUAL BOOK OF ASTM STANDARDS: CHEMICAL ANALYSIS OF METALS; SAMPLING AND ANALYSIS OF METAL BEARING ORES (PART 12)
U1  - 620.0044 
PY  - 1976///
CY  - Estados Unidos
PB  - AMERICAN SOCIETY FOR TESTING  AND MATERIALS
KW  - NORMAS ASTM
ER  -