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Alizai A, Clift PD, Giosan L, VanLaningham S, Hinton R, Tabrez AR, Danish M.  2011.  Pb isotopic variability in the modern-Pleistocene Indus River system measured by ion microprobe in detrital K-feldspar grains. Geochimica et Cosmochimica Acta. 75(17):4771-4795.