TY  - RPRT
TI  - A GENERAL PURPOSE ACTIVITY RECORDER WITH VARIABLE SENSITIVITY.
AU  - J D DAVIS
AU  - G D ELLISON
PY  - 1964
DO  - 10.1901/jeab.1964.7-117
UR  - https://pubmed.ncbi.nlm.nih.gov/14120126/
ID  - 14120126
ER  -