TY  - GEN
TY  - GEN
T1  - Special publication
LA  - eng
PP  - Littleton, CO
PB  - Society of Economic Geologists, Inc
YR  - 1992
UL  - https://kansalliskirjasto.finna.fi/kansalliskirjastofikka/Record/helka.9925092263506253
KW  - Geology, Economic.
ER  -