by Firestone, R.B, West, A, Kennett, J.P, Becker, L, Bunch, T.E, Revay, Z.S, Schultz, P.H, Belgya, T, Kennett, D.J, Erlandson, J.M, Dickenson, O.J, Goodyear, A.C, Harris, R.S, Howard, G.A, Kloosterman, J.B, Lechler, P, Mayewski, P.A, Montgomery, J, Poreda, R, Darrah, T, Hee, S.S. Que, Smith, A.R, Stich, A, Topping, W, Wittke, J.H, Wolbach, W.S
Published in Proceedings of the National Academy of Sciences - PNAS (09.10.2007)