1. Timing and mechanism for intratest Mg/Ca variability in a living planktic foraminifer Spero, Howard J.; Eggins, Stephen M.; Russell, Ann D.; Vetter, Lael; Kilburn, Matt R.; Hoenisch, Baerbel 2015 Articles PaleoceanographyChemical oceanography--MethodologyForaminifera, FossilGeochemistryMicrobiologyChemical oceanography