TY  - RPRT
TI  - Ciradian performance differences between morning and evening "types".
AU  - J A Horne
AU  - C G Brass
AU  - A N Pettitt
PY  - 1980
DO  - 10.1080/00140138008924715
UR  - https://pubmed.ncbi.nlm.nih.gov/7189149/
ID  - 7189149
ER  -