Bryssinckx, W., E. Ducheyne, B. Muhwezi, S. Godfrey, K. Mintiens, H. Leirs, and G. Hendrickx. “Improving the Accuracy of Livestock Distribution Estimates through Spatial Interpolation”. Geospatial Health, Vol. 7, no. 1, Nov. 2012, pp. 101-9, doi:10.4081/gh.2012.109.