TY  - BOOK
AU  - MOWERY David C
AU  -  ROSENBERG Nathan
TI  - Paths of innovation:  Technological change in 20th- Century America   
SN  - 9780521646536
U1  - X0gF.73.P, N9 
PY  - 1999///
CY  - Delhi
PB  - Cambridge University Press        
N1  - Bibliography: p295-302; Glossary: p291-93
ER  -