1. Aschinger, M., Drescher, C., Friedrich, G., Gottlob, G., Jeavons, P., Ryabokon, A., Thorstensen, E.: Tackling the Partner Units Problem. Tech. Rep. RR-10-28, Computing Laboratory, University of Oxford (2010), available from the authors
2. Third International Answer Set Programming Competition 2011 (2011),
https://www.mat.unical.it/aspcomp2011/
3. The Potsdam Answer Set Solving Collection,
http://potassco.sourceforge.net/
4. COIN-OR CLP/CBC IP solver,
http://www.coin-or.org/
5. IBM ILOG CPLEX IP solver,
http://www.ibm.com/