TY  - RPRT
TI  - A digital display revolution counter.
AU  - D A Brodie
AU  - R S Bhogal
AU  - E Mitchell
PY  - 1981
DO  - 10.1136/bjsm.15.2.133
UR  - https://pubmed.ncbi.nlm.nih.gov/7272656/
ID  - 7272656
ER  -