TY  - BOOK
AU  - Niebel, Benjamin W..
TI  - Motion and Time Study / 
SN  - 0-256-01775-1
U1  - 89A 
PY  - 1989///
CY  - Illinois 60430 : 
PB  - Richard D. Irwin, Inc. , 
KW  - Commerce
ER  -