TY  - RPRT
TI  - Quality-assurance results for routine water analysis in US Geological Survey laboratories, water year 1991
AU  - T. J. Maloney
AU  - A. S. Ludtke
AU  - T.L. Krizman
PY  - 1994
DO  - 10.3133/wri944046
UR  - https://pubs.usgs.gov/publication/wri944046
ID  - wri944046
ER  -