TY  - BOOK
AU  - Bergson,Abram
TI  - Productivity and the social system-the USSR and the WEST
SN  - 0674711653
U1  - 338.312(47-57:1-15) 
PY  - 1978///
CY  - London
PB  - Harvard University Press
KW  - productivity
KW  - social system
ER  -