TY  - BOOK
AU  - Carman J S
TI  - Obstacles to mineral development :  A pragmatic view ed by Bension Varon
U1  - X8(H1).1(Y:4)z7, L9 
PY  - 1979///
CY  - N York 
PB  - Pergamon      
KW  - ECONOMICS
ER  -