TY  - RPRT
TI  - A spectrophotometric study of the thorium-morin mixed-color system
AU  - Mary H. Fletcher
AU  - Robert G. Milkey
PY  - 1954
DO  - 10.3133/tei460
UR  - https://pubs.usgs.gov/publication/tei460
ID  - tei460
ER  -