TY  - BOOK
AU  - Mundel,Marvin Everett
TI  - Motion and time study : : principles and practices / 
U1  - 658.452 MUN 
PY  - 1970///
CY  - Englewood Cliffs, N.J. : 
PB  - Prentice-Hall , 
KW  - Motion study
KW  - Time study
N1  -  Bibliography : p. 596-599
ER  -