TY  - RPRT
TI  - Giant porphyry-related metal camps of the world— A database
AU  - Felix E. Mutschler
AU  - Steve Ludington
AU  - Arthur A. Bookstrom
PY  - 2000
DO  - 10.3133/ofr99556
UR  - https://pubs.usgs.gov/publication/ofr99556
ID  - ofr99556
ER  -