01609oam 2200493 450 991070562990332120170524093042.0(CKB)5470000002452100(OCoLC)891574893(OCoLC)995470000002452100(EXLCZ)99547000000245210020140929d1968 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierGeochemistry of niobium and tantalum /by Raymond L. Parker and Michael FleischerWashington :U.S. Department of the Interior, Geological Survey,1968.1 online resource (iii, 43 pages) illustrationsGeological Survey professional paper ;612Title from title screen (viewed September 24, 2014)."A review of the geochemistry of niobium and tantalum and a glossary of niobium and tantalum minerals."Includes bibliographical references (pages 38-40).NiobiumTantalumNiobiumfastTantalumfastNiobium.Tantalum.Niobium.Tantalum.Parker Raymond L(Raymond Laurence),64916Fleischer Michael1908-1998,Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910705629903321Geochemistry of niobium and tantalum3462424UNINA