TY  - RPRT
TI  - Quality assurance practices for the chemical and biological analyses of water and fluvial sediments
AU  - Linda C. Friedman
AU  - David E. Erdmann
PY  - 1982
DO  - 10.3133/twri05a6
UR  - https://pubs.usgs.gov/publication/twri05A6
ID  - twri05A6
ER  -