TY  - RPRT
TI  - Tracers and timescales: Tools for distilling and simplifying complex fluid mechanical problems
AU  - Lisa V. Lucas
AU  - Eric Deleersnijder
PY  - 2021
DO  - 10.3390/w13192796
UR  - https://pubs.usgs.gov/publication/70231892
ID  - 70231892
ER  -