TY  - BOOK
AU  - Petroski, Henery
TI  - Invention by Design how engineers get from thought to thing
SN  - 9788173712906
U1  - 620.0042 
PY  - 1996///
CY  - Hyderabad
PB  - University Press
KW  - Invention, Design
KW  - ME
ER  -