TY  - RPRT
TI  - Importance of return flow as a component of water use
AU  - L. C. Trotta
AU  - M.S. Horn
PY  - 1990
DO  - 10.3133/ofr90197
UR  - https://pubs.usgs.gov/publication/ofr90197
ID  - ofr90197
ER  -