TY  - RPRT
TI  - Microscopic determination of the nonopaque minerals
AU  - Michael Fleischer
AU  - Ray E. Wilcox
AU  - John J. Matzko
PY  - 1984
DO  - 10.3133/b1627_1984
UR  - https://pubs.usgs.gov/publication/b1627_1984
ID  - b1627_1984
ER  -