TY  - BOOK
AU  - Blunden, John
TI  - Mineral resources and their management
SN  - 582300584
U1  - 333.85 
PY  - 1985///
CY  - London
PB  - Longman
KW  - Minerals
KW  - Subsurface Resources
KW  - Eonomics
KW  - Economics of land and energy
N1  - Includes bibliographical references
ER  -