TY  - RPRT
TI  - A microcomputer-based drop counter.
AU  - J Lee
AU  - J Downey
PY  - 1981
DO  - 10.1016/0160-5402(81)90114-5
UR  - https://pubmed.ncbi.nlm.nih.gov/6460138/
ID  - 6460138
ER  -