TY  - BOOK
AU  - Marić,D.
TI  - Adapting working hours to modern needs: the time factor in the new approach to working conditions 
SN  - 9221016587
U1  - 331.257 21
PY  - 1977///].
CY  - Geneva: 
PB  - International Labour Office, 
KW  - Hours of labor
N1  - Includes bibliography
ER  -