TY  - RPRT
TI  - A method for evaluating head-controlled computer input devices using Fitts' law.
AU  - R G Radwin
AU  - G C Vanderheiden
AU  - M L Lin
PY  - 1990
DO  - 10.1177/001872089003200405
UR  - https://pubmed.ncbi.nlm.nih.gov/2150065/
ID  - 2150065
ER  -