TY  - RPRT
TI  - Comparison of methods to determine degree of pyritization
AU  - J. Leventhal
AU  - C. Taylor
PY  - 1990
DO  - 10.1016/0016-7037(90)90249-k
UR  - https://pubs.usgs.gov/publication/70016074
ID  - 70016074
ER  -