TY  - BOOK
AU  - x, x
AU  - x
TI  - British standards yearbook: x
SN  - x
U1  - Ref016.6/BRI 
PY  - 1979///
CY  - London.
PB  - British standards institution
KW  - Year books
KW  - British-yearbooks
N1  - x
ER  -