TY  - BOOK
AU  - Dunlop,John T., Diatchenko, Vasili P.
AU  - x
TI  - Labor productivity: x
SN  - x
U1  - 331/DUL 
PY  - 1964///
CY  - N.Y.
PB  - McGraw-Hill
KW  - Labor and Laboring Classes
N1  - x
ER  -