TY  - BOOK
AU  - Sergean Robert
TI  - Manging shiftwork
U1  - X:9G, L1-;1 
PY  - 1971///
CY  - London
PB  - Gower press      
KW  - ECONOMICS
N1  - Appendices p221-230 (1-7); Bibliography p231-239
ER  -