01401oam 2200421I 450 991070361720332120150414081500.0(CKB)5470000002433543(OCoLC)894785423(EXLCZ)99547000000243354320141108d2014 ua 0engurmn||||a||||txtrdacontentcrdamediacrrdacarrierConflict minerals stakeholder options for responsible sourcing are expanding, but more information on smelters is needed : report to congressional committees[Washington, D.C.] :United States Government Accountability Office,2014.1 online resource (v, 67 pages) color illustrations, color mapTitle from title screen (viewed Apr. 14, 2015)."June 2014.""GAO-14-575."Includes bibliographical references.Conflict minerals Mineral industriesCorrupt practicesPreventionSmeltingMetalsRefiningMineral industriesCorrupt practicesPrevention.Smelting.MetalsRefining.DIDDIDDIDGPOBOOK9910703617203321Conflict minerals3416558UNINA