TY  - RPRT
TI  - Human performance in single and two-axis tracking systems.
AU  - Rose, R. E.
AU  - Summers, L. G.
AU  - Todosiev, E. P.
PY  - 1967
UR  - https://ntrs.nasa.gov/citations/19670054449
ID  - 19670054449
ER  -