Formal ratification of the subdivision of the Holocene Series/Epoch (Quaternary System/Period): two new Global Boundary Stratotype Sections and Points (GSSPs) and three new stages/subseries

Mike Walker, Martin J. Head, Max Berkelhammer, Svante Bjorck, Hai Cheng, Les Cwynar, David Fisher, Vasilios Gkinis, Antony Long, John Lowe, Rewi Newnhamil, Sune Olander Rasmussen, Harvey Weiss