TY  - BOOK
AU  -  Petroski,Henry
TI  - Small things considered: why there is no perfect design 
SN  - 1400040507
AV  - TA174 P478
PY  - 2003///
CY  - New York : 
PB  -  A. A. Knopf
KW  - DiseÃ±o en ingenierÃ­a
ER  -