Heimfarth, T., E. P. de Freitas, I. F. Netto, L. H. A. Correia, C. E. Pereira, A. M. Ferreira, F. R. Wagner, and T. Larsson. “Enhanced Pheromone-Based Mechanism to Coordinate UAVs and WSN Nodes on the Ground”. INFOCOMP Journal of Computer Science, vol. 9, no. 2, June 2010, pp. 75-84, https://infocomp.dcc.ufla.br/index.php/infocomp/article/view/304.