TY  - RPRT
TI  - A DUAL MODALITY TRACKING SYSTEM.
AU  - J F DAVIS
AU  - W J MUNDL
PY  - 1964
DO  - 10.1111/j.1469-8986.1964.tb03233.x
UR  - https://pubmed.ncbi.nlm.nih.gov/14226791/
ID  - 14226791
ER  -