TY  - RPRT
TI  - Analysis of pilot warning indicator performance in terminal area traffic.
AU  - Ruetenik, J. R.
AU  - Lange, W. R.
AU  - Thompson, J. H.
PY  - 1971
UR  - https://ntrs.nasa.gov/citations/19720027468
ID  - 19720027468
ER  -