Preissler Junior, S., C. C. de Sá, and F. D. Sasse. “Constraint Logic Programming Applied to the Resolution of a Problem of Picking of Warehouse”. INFOCOMP Journal of Computer Science, vol. 7, no. 1, Mar. 2008, pp. 53-58, https://infocomp.dcc.ufla.br/index.php/infocomp/article/view/206.