TY  - BOOK
AU  - Lester. B Lave
TI  - Technological change its conception and measurement
U1  - 331.1 
PY  - 1973///
CY  - New Jersey
PB  - Prentice Hall Inc
N1  - Lester. B Lave: Technological change its conception and measurement.  New Jersey.  Prentice Hall Inc, Eaglewood Cliffs, 1973.--(331.1LAV)
ER  -