TY  - RPRT
TI  - A low-cost, reliable, and accurate general-purpose timer.
AU  - M J Roth
AU  - B R Landis
AU  - B Rosenberg
AU  - C A Silver
PY  - 1967
DO  - 10.1901/jeab.1967.10-383
UR  - https://pubmed.ncbi.nlm.nih.gov/6033559/
ID  - 6033559
ER  -