TY  - RPRT
TI  - Quality-assurance data for routine water analysis in the laboratories of the US Geological Survey for water year 1990
AU  - T. J. Maloney
AU  - A. S. Ludtke
AU  - T.L. Krizman
PY  - 1993
DO  - 10.3133/wri934082
UR  - https://pubs.usgs.gov/publication/wri934082
ID  - wri934082
ER  -