TY  - BOOK
AU  - Marshall W T
AU  - Nelson H M
TI  - Structures : SI Units
SN  - 0-273-00827-7
U1  - 621 MAR/NEL 
PY  - 1977///
CY  - London
PB  - Pitman Pub.
KW  - Engineering
N1  - Architecture
ER  -