No evidence for globally synchronous cold and warm epochs during the pre-industrial Common Era
Raphael Neukom, University of Bern, Oeschger Centre for Climate Change Research & Institute of Geography, Bern, Switzerland, Nathan John Steiger, Lamont -Doherty Earth Observatory, Palisades, United States, Juan Jose Gomez-Navarro, University of Murcia, Murcia, Spain, Jianghao Wang, The MathWorks, Inc., Natick, United States and Johannes Werner, University of Bergen, Bergen, Norway
