TY  - RPRT
TI  - The human operator in air traffic control systems.
AU  - J H Kirchner
AU  - W Laurig
PY  - 1971
DO  - 10.1080/00140137108931274
UR  - https://pubmed.ncbi.nlm.nih.gov/5148230/
ID  - 5148230
ER  -