TY  - RPRT
TI  - Selenium speciation methods and application to soil saturation extracts from San Joaquin Valley, California
AU  - John L. Fio
AU  - Roger Fujii
PY  - 1990
DO  - 10.2136/sssaj1990.03615995005400020011x
UR  - https://pubs.usgs.gov/publication/70047783
ID  - 70047783
ER  -