TY  - RPRT
TI  - Isotopic constraints on the genesis of base-metal ores in southern and central Sardinia
AU  - K.R. Ludwig
AU  - R. Vollmer
AU  - B. Turi
AU  - K. R. Simmons
AU  - G. Perna
PY  - 1989
UR  - https://pubs.usgs.gov/publication/70015075
ID  - 70015075
ER  -