TY  - BOOK
ED  - United States.
TI  - Indexes of output per man-hour petroleum refining industry, 1919-59
AV  - HD9565 .A5 1962
PY  - 1962///
CY  - [Washington]
KW  - Petroleum industry and trade
KW  - Labor productivity
KW  - United States
KW  - Petroleum
KW  - Refining
N1  - Cover title
ER  -