TY  - GEN
AU  - Campbell, John M.
AU  - Campbell, John M.
AU  - Campbell, Robert A.
TI  - Mineral property economics 
PY  - 1978///
CY  - Norman
PB  - Campbell Petroleum Series
KW  - MINES AND MINERAL RESOURCES-Collected works
KW  - Power resources-Collected works
KW  - Geology,Economic-Collected works
N1  - Index included
ER  -