TY  - BOOK
AU  - Park,Charles Frederick
AU  - Macdiarmid, Roy A.,
TI  - Ore deposits
T2  - A series of books in geology
AV  - TN263 P31975
PY  - 1975///
CY  - San francisco
PB  - W. H. Freeman
KW  - Yacimientos minerales
ER  -