TY  - RPRT
TI  - A diurnal type scale. Construction, consistency and validation in shift work.
AU  - L Torsvall
AU  - T Akerstedt
PY  - 1980
DO  - 10.5271/sjweh.2608
UR  - https://pubmed.ncbi.nlm.nih.gov/7195066/
ID  - 7195066
ER  -