TY  - RPRT
TI  - Non-parametric trend analysis of water quality data of rivers in Kansas
AU  - Y.-S. Yu
AU  - S. Zou
AU  - D. Whittemore
PY  - 1993
DO  - 10.1016/0022-1694(93)90156-4
UR  - https://pubs.usgs.gov/publication/70017416
ID  - 70017416
ER  -