TY  - BOOK
AU  - Kesler,Stephen E..
TI  - Mineral resources economics and the environment / 
SN  - 0023628421
U1  - 333.85 
PY  - 1994///
CY  - New York : 
PB  - Macmillan , 
KW  - MINES AND MINERAL RESOURCES
N1  - NULL
ER  -