TY  - BOOK
AU  - Petroski,Henry
TI  - Invention by design: how engineers get from thought to thing 
SN  - 0674463676
U1  - 620.0042 
PY  - 1996///
CY  - London
PB  - Harvard University Press
KW  - Engineering design
KW  - Case studies
KW  - Political aspects
KW  - Social approach
ER  -