TY  - BOOK
AU  - Tatsch, J H
AU  - 
TI  - Copper deposits: origin evolution and present characteristics
U1  - 553.43 
PY  - 1975///
CY  - Masschusetts
PB  - Tatsch Associates
KW  - Economic geology
KW  - Ores
KW  - Minerals
KW  - copper
KW  - copper ores
KW  - copper deposits
ER  -