Catalouge of chemical analysis of rocks from the intersection of the African Gul
Mohr, P.A.
Catalouge of chemical analysis of rocks from the intersection of the African Gul - Washington 1970 - No. 2; Smithsonian Contributio .
Catalouge of chemical analysis of rocks from the intersection of the African Gul - Washington 1970 - No. 2; Smithsonian Contributio .