TY  - RPRT
TI  - The thoron-tartaric acid systems for the spectrophotometric determination of thorium
AU  - F. S. Grimaldi
AU  - Mary H. Fletcher
PY  - 1955
DO  - 10.3133/tei571
UR  - https://pubs.usgs.gov/publication/tei571
ID  - tei571
ER  -