TY  - BOOK
AU  - Eggert Roderick G
TI  - Metallic mineral exploration:  An economic analysis   
T2  - Resources fo the Future
SN  - 0915707306
U1  - X9(H1), M7 
PY  - 1987///
CY  - Washington
PB  - Resources for the Future       
KW  -  Minerology
KW  - Industrial Economics
N1  - Bibliography chapterwise
ER  -