TY  - BOOK
AU  - United states Labout (Deptt of --)
ED  - United states Labout (Deptt of --)
TI  - Productivity :  A bibliography   
U1  - X:89Pa, J7 
PY  - 1957///
CY  - Washington
PB  - Govt Printing         
KW  - Working Environmental
ER  -