TY  - RPRT
TI  - The relationship of the rare-earth composition of minerals to geological environment
AU  - M. Fleischer
AU  - Z. S. Altschuler
PY  - 1969
DO  - 10.1016/0016-7037(69)90118-5
UR  - https://pubs.usgs.gov/publication/70010799
ID  - 70010799
ER  -