TY  - BOOK
AU  - Rosenberg, Nathan
TI  - Exploring the black box: technology, economics, and history
SN  - 0521452708
U1  - 609.73 
PY  - 1994///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Technological innovations
KW  - United States
N1  - Includes bibliographical references and index
ER  -