TY  - BOOK
AU  - Barnes,Ralph M., x
AU  - x
TI  - Motion and time study design and measurement of work: x
SN  - x
U1  - 658.54/BAM 
PY  - 1968///
CY  - N.Y.
PB  - John Willey
KW  - Management
N1  - x
ER  -