TY  - BOOK
AU  - HARVEY EMMONS, WILLIAM
TI  - GEOLOGY ECONOMIC OF THE PRINCIPLES
T2  - 0
U1  - 553 
PY  - 1940///
CY  - NEW YORK-U.S.A.
PB  - MCGARW-HILL BOOK COMPANY
KW  - CIENCIAS PURAS
N1  - MAGMATIC-PEGMATICS/HYPOTHERMAL-MESOTHERMAL
ER  -