TY  - BOOK
AU  - Petroski,Henry
TI  - The evolution of useful things
SN  - 0679740392 :
AV  - T212 .P465 1994
U1  - 609 20
PY  - 1994///
CY  - New York
PB  - Vintage Books
KW  - Inventions
KW  - Patents
N1  - Originally published: New York : A. Knopf, 1992; Includes bibliographical references (p. 265-273) and index
UR  - http://www.loc.gov/catdir/description/random041/93006351.html
ER  -