00330nas a2200121   4500000000100000008004100001260001200042100001200054245007400066856005100140300000700191490001000198       2021                            d  aLincoln1 aA. Kaup00aBiostratigraphy of Paleogene diatom assemblages in the Southern Ocean  uhttps://digitalcommons.unl.edu/geoscidiss/137/  a870 vM.Sc.