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APA Citation
Williams, M. A., Usai, D., Salvatori, S., Williams, F. M., Zerboni, A., Maritan, L., & Linseele, V. (2015). late Quaternary environments and prehistoric occupation in the lower White Nile valley, central Sudan. Quaternary science reviews, 130, 72–88. http://access.bl.uk/ark:/81055/vdc_100029917106.0x000041