TY  - RPRT
TI  - The determination of small and large amounts of fluorine in rocks
AU  - Frank Saverio Grimaldi
AU  - Blanche Ingram
AU  - Frank Cuttitta
PY  - 1954
DO  - 10.3133/tei492
UR  - https://pubs.usgs.gov/publication/tei492
ID  - tei492
ER  -