Rahmstorf, Stefan Potsdam Institute for Climate Impact Research;
http://www.realclimate.org/index.php/archives/2015/03/a-hypothesis-about-the-cold-winter-in-eastern-north-america/ (Verlagsversion)
Rahmstorf, S. (2015): A hypothesis about the cold winter in eastern North America + Update, (A hypothesis about the cold winter in eastern North America + Update)(RealClimate Blog), Washington, DC : Science Communication Network.
