TY  - GEN
AU  - Symposium on Non-destructive testing of concrete and timber( 11-12 June 19690 
ED  - 
TI  - Non-destructive testing of concrete and timber: Symposium held at Institution of Civil Engineers on 11-12 June 1969
U1  - 691.12 
PY  - 1970///
CY  - London
PB  - Institution of Civil Engineers
KW  - Construction properties
KW  - Timber
ER  -