TY  - BOOK
AU  - Marshall,William Thomas
AU  - Nelson,Hugh M,jtauthor
TI  - Structures: SI units 
SN  - 0273412868
PY  - 1977///
CY  - London
PB  - Pitman
KW  - Structural analysis (Engineering)
N1  - Includes bibliographical references; Open access
ER  -