An early modern human presence in Sumatra 73,000-63,000 years ago by Westaway, KE, Louys, J, Awe, RD, Morwood, MJ, Price, GJ, Zhao, JX, Aubert, M, Joannes-Boyau, R, Smith, TM, Skinner, MM, Compton, T, Bailey, RM, van den Bergh, GD, de Vos, J, Pike, AWG, Stringer, C, Saptomo, EW, Rizal, Y, Zaim, J, Santoso, WD, Trihascaryo, A, Kinsley, L, Sulistyanto, B