TY  - RPRT
TI  - Quality-assurance results for routine water analyses in U.S. Geological Survey laboratories, water year 1998
AU  - Amy S. Ludtke
AU  - Mark T. Woodworth
AU  - Philip S. Marsh
PY  - 2000
DO  - 10.3133/wri20004176
UR  - https://pubs.usgs.gov/publication/wri20004176
ID  - wri20004176
ER  -