TY  - BOOK
AU  - Murphy,J.
AU  - Riley,J.P.
TI  - A modified single solution method for the determrnation of phosphate in natural waters
UR  - https://drive.google.com/file/d/1pUJprldUvMjyo3mjOmY6RC6cKLRVqM6r/view?usp=drivesdk
ER  -