TY  - RPRT
TI  - Experimental studies of shift-work. 3. Stabilized 12-hour shift system.
AU  - W P Colquhoun
AU  - M J Blake
AU  - R S Edwards
PY  - 1969
DO  - 10.1080/00140136908931104
UR  - https://pubmed.ncbi.nlm.nih.gov/5378406/
ID  - 5378406
ER  -