TY  - BOOK
AU  - Polak. Peter 
TI  - Designing for strength: principles and practical aspects of stress analysis for engineers and students 
SN  - 0333326768
AV  - TA 409 .P6 
PY  - 1982///
CY  -  London : 
PB  - Macmillan
KW  -  Engineering (General)--Civil engineering
ER  -