Neukom R, Gergis J, Karoly D, Wanner H, Curran M, Elbert J, González-Rouco F, Linsley B, Moy A, Mundo I, Raible C, Steig E, van Ommen T, Vance T, Villalba R, Zinke J & Frank D

https://doi.org/10.1038/nclimate2174

Research paper coordinated by Raphael Neukom from the Oeschger Centre in Bern and the Swiss Federal Research Institute WSL using data derived by the Southern Hemisphere based PAGES 2k Working Groups (Australasian, South American, African and Antarctic).