TY  - BOOK
AU  - Petroski, Henry
AU  - Petroski, Henry
TI  - Invention by design :  how engineers get from thought to thing    
SN  - 9780674463684
AV  - 620.00422 PET 1996 
U1  - 620.00422 PET 1996 
PY  - 1996///
CY  - Cambridge
PB  - Harward press
KW  - Mechanical Engineering
ER  -