TY  - BOOK
AU  - "Billington, David P"
TI  - Innovators
T2  - Engineering pioneers who made america modern
SN  - 0471140961
CY  - New York
KW  - Engineering--United States--History
KW  - Engineers--United States
KW  - Technological innovations--United States--History
N1  - includes bibliographical references and index
ER  -