Library
Proxy-based reconstructions of hemispheric and global surface temperature variations over the past two millennia,
, Proceedings of the National Academy of Sciences, 09/2008, Volume 105, p.13252 - 13257, (2008)
Global Signatures and Dynamical Origins of the Little Ice Age and Medieval Climate Anomaly,
, Science, 11/2009, Volume 326, p.1256 - 1260, (2009)