O'Regan, M, St. John, KEK, Moran, K, Backman, J, King, JW, Haley, BA, Jakobsson, M, Frank, M and Röhl, U (2010) Plio-Pleistocene trends in ice rafted debris on the Lomonosov Ridge. Quaternary International, 219(1-2). 168-176. doi:10.1016/j.quaint.2009.08.010