TY  - RPRT
TI  - Selected methods of the U.S. Geological Survey for the analyses of wastewaters
AU  - Marvin J. Fishman
AU  - Eugene Brown
PY  - 1976
DO  - 10.3133/ofr76177
UR  - https://pubs.usgs.gov/publication/ofr76177
ID  - ofr76177
ER  -