TY - RPRT U1 - Forschungsbericht A1 - Behrendt, Siegfried A1 - Scharp, Michael A1 - Erdmann, Lorenz A1 - Kahlenborn, Walter A1 - Feil, Moira A1 - Dereje, Cornelia A1 - Bleischwitz, Raimund A1 - Delzeit, Ruth T1 - Rare metals : measures and concepts for the solution of the problem of conflict-aggravating raw material extraction ; the example of coltan T2 - Texte / Umweltbundesamt Y1 - 2007 UR - https://nbn-resolving.org/urn:nbn:de:101:1-2008092622 VL - 2007,23 SP - 64 S1 - 64 PB - Umweltbundesamt CY - Dessau PB - Umweltbundesamt CY - Dessau ER -