Schreck et al., 2012
From dinoflaj3
Schreck, M., Matthiessen, J. and Head, M.J., 2012: A magnetostratigraphic calibration of Middle Miocene through Pliocene dinoflagellate cyst and acritarch events in the Iceland Sea (Ocean Drilling Program Hole 907A). Review of Palaeobotany and Palynology, v.187, p.66-94, pl.1-4.