TY  - RPRT
TI  - Processing demands, effort, and individual differences in four different vigilance tasks.
AU  - H S Koelega
AU  - J A Brinkman
AU  - L Hendriks
AU  - M N Verbaten
PY  - 1989
DO  - 10.1177/001872088903100104
UR  - https://pubmed.ncbi.nlm.nih.gov/2707818/
ID  - 2707818
ER  -