TY  - BOOK
AU  - Pohl, Walter L.  .
TI  - Economic Geology: principles and practice: metals, minerals, coal and hydrocarbons - introduction to formation and sustainable exploitation of mineral deposits / 
SN  - 978-1-4443-3663-4
U1  - H7 
PY  - 2011///
CY  - New York : 
PB  - John Wiley & Sons, Inc. , 
KW  - Geology, Economics
ER  -