Causal links between Nile floods and eastern Mediterranean sapropel formation during the past 125kyr confirmed by OSL and radiocarbon dating of Blue and White Nile sediments

M. A. J. Williams, G. A T Duller, F. M. Williams, J. C. Woodward, M. G. Macklin, O. A M El Tom, R. N. Munro, Y. El Hajaz, T. T. Barrows