Population Distribution, Settlement Patterns and Accessibility across Africa in 2010 Linard, Catherine ; Gilbert, Marius ; Snow, Robert W. ; Noor, Abdisalan M. ; Tatem, Andrew J. Abstract Publication: PLoS ONE Pub Date: February 2012 DOI: 10.1371/journal.pone.0031743 Bibcode: 2012PLoSO...731743L