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http://www.realclimate.org/index.php/archives/2017/11/el-nino-and-the-record-years-1998-and-2016/ (Verlagsversion)
Rahmstorf, S. (2017): El Niño and the record years 1998 and 2016, (El Niño and the record years 1998 and 2016)(RealClimate Blog), Washington, DC : Science Communication Network.
