Walker, M., Head, M. H., Berklehammer, M., Bjorck, S., Cheng, H., Cwynar, L., …Weiss, H. (2018). 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. Episodes, 41(4), https://doi.org/10.18814/epiiugs/2018/018016