TY  - BOOK
ED  - ASTM
TI  - 1980 Annual Book of ASTM Standards. Part 14 : : Concrete and mineral aggregates
PY  - 1980///
CY  - Philadelphia : 
PB  - ASTM, 
KW  - CONCRETO
KW  - MINERALES AGREGADOS
KW  - ENSAYOS
KW  - NORMAS ASTM
ER  -