TY  - RPRT
TI  - Accuracy of acoustic velocity metering systems for measurement of low velocity in open channels
AU  - Antonius Laenen
AU  - R. E. Curtis
PY  - 1989
DO  - 10.3133/wri894090
UR  - https://pubs.usgs.gov/publication/wri894090
ID  - wri894090
ER  -