TY  - RPRT
TI  - Observations on the pyrite deposits of the huelva district, Spain, and their relation to volcanism
AU  - A.R. Kinkel
PY  - 1962
DO  - 10.2113/gsecongeo.57.7.1071
UR  - https://pubs.usgs.gov/publication/70220655
ID  - 70220655
ER  -