TY  - RPRT
TI  - Sleepiness and shiftwork: individual differences.
AU  - M Härmä
PY  - 1995
DO  - 10.1111/j.1365-2869.1995.tb00228.x
UR  - https://pubmed.ncbi.nlm.nih.gov/10607213/
ID  - 10607213
ER  -