TY  - BOOK
AU  - Mokyr Joel
TI  - Lever of riches: Technological creativity and economics progress   
SN  - 0195061136
U1  - X0gF, N0 
PY  - 1990///
CY  - New York
PB  - Oxford University Press       
KW  - Economic IRT Technology
N1  - Bibliography: P 305-28
ER  -