TY  - BOOK
AU  - Petroski,Henry
TI  - The evolution of useful things
SN  - 0679412263 :
AV  - T212 .P465 1992
U1  - 609 20
PY  - 1992///
CY  - New York
PB  - Knopf
KW  - Inventions
KW  - Patents
KW  - Industrial design
N1  - Includes bibliographical references (p. 265-273) and index
UR  - http://www.loc.gov/catdir/bios/random056/91039524.html
UR  - http://www.loc.gov/catdir/description/random0410/91039524.html
ER  -