TY  - BOOK
AU  - Lave,Lester B., x
AU  - x
TI  - Technological change ; : its conception and measusrement
SN  - x 
U1  - 330.9/LAT 
PY  - 1966///
CY  - N.J.
PB  - Prentice-Hall
KW  - Economic conditions
ER  -