TY  - RPRT
TI  - The CAL four channel solid state echo-encephaloscope.
AU  - D E Robinson
AU  - J Jellins
AU  - G Kossoff
PY  - 1970
DO  - 10.1016/0041-624x(70)90047-8
UR  - https://pubmed.ncbi.nlm.nih.gov/5440775/
ID  - 5440775
ER  -