TY  - RPRT
TI  - A zero-setter and voltage reference unit for EEG amplifier systems.
AU  - L Macpherson
AU  - B S Kopell
PY  - 1972
DO  - 10.1111/j.1469-8986.1972.tb00761.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5024168/
ID  - 5024168
ER  -