TY  - RPRT
TI  - The lanthanides and yttrium in minerals of the apatite group; a review
AU  - Michael Fleischer
AU  - Z. S. Altschuler
PY  - 1982
DO  - 10.3133/ofr82783
UR  - https://pubs.usgs.gov/publication/ofr82783
ID  - ofr82783
ER  -