TY  - BOOK
AU  - Mckinstry,Hugh Exton
AU  - Stanley,A.
TI  - Mining geology
T2  - Prentice-Hall Geology Series
PY  - 1948///
CY  - New York
PB  - Prentice-Hall
KW  - Geología
KW  - lemb
KW  - Libro
KW  - unescot
ER  -