TY  - BOOK
AU  - Birchon,D.
TI  - Non-destructive testing
T2  - Engineering design guides
SN  - 0198591322
PY  - 1975///
CY  - London
PB  -  Oxford University Press for the Design Council
KW  - Nondestructive testing
N1  - Bibliography : p. 19-20
ER  -