TY  - RPRT
TI  - Spectrophotometric study of the thorium-morin mixed-color system
AU  - M. H. Fletcher
AU  - R.G. Milkey
PY  - 2002
DO  - 10.1021/ac60117a014
UR  - https://pubs.usgs.gov/publication/70010584
ID  - 70010584
ER  -