@unpublished{TUW-104169, author = {Palmetshofer, L. and Gritsch, Martin and Hobler, Gerhard}, title = {{R}ange ot ion-implanted rare earth element in {S}i and {S}i02}, year = {2000}, note = {poster presentation: {M}aterials {R}esearch {S}ociety {S}pring {M}eeting ({M}{R}{S}), {S}{T}rasbourg, {F}rance; 2000-05-31 -- 2000-06-02} }