TY  - RPRT
TI  - Determination of phosphate in natural waters by activation analysis of tungstophosphoric acid
AU  - Herbert E. Allen
AU  - Richard B. Hahn
PY  - 2002
DO  - 10.1021/es60032a005
UR  - https://pubs.usgs.gov/publication/70006502
ID  - 70006502
ER  -