TY  - BOOK
AU  - Polk,Edward J., x
AU  - x
TI  - Methods analysis and work measurement: x
SN  - 0070503788
U1  - 658.542/P762m 
PY  - 1984///
CY  - New York ; London
PB  - McGraw-Hill
KW  - Work measurement
N1  - Includes
ER  -