TY  - BOOK
AU  - Pearle,Lester I.
ED  - United States.
TI  - Case study data on productivity and factory performance
T2  - BLS report
AV  - HD8051 .A7876 no. 38
PY  - 1953///
CY  - [Washington
PB  - U.S. Govt. Print. Off.]
KW  - Labor productivity
KW  - United States
ER  -