TY  - BOOK
AU  - Hansen,Bertrand L.
TI  - Work sampling for modern management.
T2  - National Institute of Management series
U1  - 658.53 
PY  - 1960///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Work measurement
KW  - Sampling
N1  - Includes bibliography and Index
ER  -