TY  - RPRT
TI  - Quantification of human performance circadian rhythms.
AU  - A Freivalds
AU  - D B Chaffin
AU  - G D Langolf
PY  - 1983
DO  - 10.1080/15298668391405481
UR  - https://pubmed.ncbi.nlm.nih.gov/6637808/
ID  - 6637808
ER  -