TY  - BOOK
AU  - Orchard,D.F..
TI  - Concrete technology: properties and testing of aggregates 
SN  - 0853346542
AV  - TA439  .O72 1976
PY  - 1976///
CY  - London
PB  - Applied Science Pub.
KW  - Concrete
N1  - volume 3
ER  -