TY  - RPRT
TI  - Sequential extraction techniques applied to a porphyry copper deposit in the basin and range province
AU  - L.H. Filipek
AU  - P. K. Theobald
PY  - 1981
DO  - 10.1016/0375-6742(81)90110-2
UR  - https://pubs.usgs.gov/publication/70011916
ID  - 70011916
ER  -