TY  - BOOK
AU  - Barnes, Ralph M
TI  - Motion and timestudy design and measurement of work
SN  - 0-471-08335-6
U1  - 658.542 
PY  - 1980///
CY  - New York
PB  - John Wiley
KW  - Methods of engineering
KW  - Motion study
KW  - Time study
N1  - Includes bibligraphical references and index
ER  -