TY  - BOOK
AU  - British Standard Institution
TI  - Metal scaffolding : part 4. Specification for prefabricated steel splitheads and trestles
U1  - REF TH/5281 
PY  - 1982///
CY  - London
PB  - British Standards Institution
KW  - Scaffolding, Metal -- Specifications.
N1  - Notes Registration No: 3832 (1am) Serials holdings Stg9.50
ER  -