%0 conference lecture (invited) %@ %A Storch, H.v.,Zorita, E.,Gonzalez-Rouco, F. %D 2006 %J Synthesis of Current Undertanding and Challenges for the Future, The National Academy of Sciences Building, Committee on Surface Temperature Reconstructions or the past 1000-2000 Years %N %P %T Reconstruction of historical temperatures during the last millennium - analysis of methods - significance for detection of anthropogenic climate change %U %X