PT Journal AU Hamutoko, J Mapani, B Ellmies, R Bittner, A Külls, C TI A fingerprinting method for the identification of uranium sources in alluvial aquifers: An example from the Khan and Swakop Rivers, Namibia SO Physics and Chemistry of the Earth, Parts A/B/C PY 2014 BP 34 EP 42 VL 72 ER