TY  - BOOK
AU  - Barnes Ralph M.
TI  - Motion and Time Study Design and Measurement of Work
SN  - 0471059056
SN  - 405
U1  - 658.542             
PY  - 1980///
CY  - New York
PB  - John Wiley & Sons
KW  - Motion and time study,Work study658.542
ER  -