TY  - BOOK
AU  - Rosenberg Nathan
TI  - Perspectives on technology
SN  - 0 521 20957 9
U1  - X0gF.73.n7, L6/TD3 
PY  - 1976///
CY  - London
PB  - Cambridge          
KW  - Economics IRT Technology
N1  - Bibliography chapterwise
ER  -