TY  - RPRT
TI  - Permanent turbidity standards.
AU  - W G Roessler
AU  - C R Brewer
PY  - 1967
DO  - 10.1128/am.15.5.1114-1121.1967
UR  - https://pubmed.ncbi.nlm.nih.gov/6077410/
ID  - 6077410
ER  -