TY  - BOOK
AU  - Ralph M. Barnes
TI  - Motion and time study : Design and measurement of work. Ed 7
SN  - 9814-12-618-7
U1  - 658.542 
PY  - 1980///
CY  - New York
PB  - John Wiley and Sons
N1  - Ralph M. Barnes: Motion and time study : Design and measurement of work. Ed 7.  (7th  Ed)  New York.  John Wiley and Sons, 1980. 9814-12-618-7--(658.542BAR)
ER  -