Larter, R.D., A.G.C. Graham, K. Gohl, G. Kuhn, C.-D. Hillenbrand, J.A. Smith, T.J. Deen, R.A. Livermore, and H.-W. Schenke. 2009. Subglacial bedforms reveal complex basal regime in a zone of paleo–ice stream convergence, Amundsen Sea embayment, West Antarctica. Geology 37(5): 411-414.