Pike, J., Crosta, X., Maddison, E.J., Stickley, C.E., Denis, D., Barbara, L., Renssen, H., "Observations on the relationship between the Antarctic coastal diatoms Thalassiosira antarctica Comber and Porosira glacialis (Grunow) Jorgensen and sea ice concentrations during the late Quaternary", Marine Micropaleontology, 2009