@article{Luterbacher2004,
author = {Luterbacher, J. and Dietrich, D. and Xoplaki, E. and Grosjean, M. and Wanner, H.},
title= {European seasonal and annual temperature variability, trends, and extremes since 1500},
year = {2004},
doi = {10.1126/science.1093877},
journal = {Science},
volume = {303},
number = {5663},
pages = {1499--1503},
}