Alviano, M., Calimeri, F., Charwat, G., Dao-Tran, M., Dodaro, C., Ianni, G., Krennwallner, T., Kronegger, M., Oetsch, J., Pfandler, A., Puehrer, J., Redl, C., Ricca, F., Schneider, P., Schwengerer, M., Spendier, L., Wallner, J. P., & Xiao, G. (2013). The Fourth Answer Set Programming Competition: Preliminary Report. In P. Cabalar & T. C. Son (Eds.),
12th International Conference on Logic Programming and Nonmonotonic Reasoning (LPNMR 2013) (pp. 42–53). Springer.
http://hdl.handle.net/20.500.12708/54640 ( reposiTUm)