Smith, J.A., T.J. Andersen, M. Shortt, A.M. Gaffney, M. Truffer, T.P. Stanton, R. Bindschadler, P. Dutrieux, A. Jenkins, C.-D. Hillenbrand, W. Ehrmann, H.F.J. Corr, N. Farley, S. Crowhurst, and D.G. Vaughan. 2016. Sub-ice-shelf sediments record 20th-century retreat of Pine Island Glacier. Nature 541(7635): 77-80.