2013, SEMIGROUP FORUM, Cain,AJ

2013, JOURNAL OF ALGEBRA, Araujo,J;Cameron,PJ;Mitchell,JD;Neunhoeffer,M

2013, Leibniz International Proceedings in Informatics, LIPIcs, Oitavem,I

2013, EUROPEAN JOURNAL OF COMBINATORICS, Dubickas,A;Schoen,T;Silva,M;Sarka,P

2013, New Challenges to Philosophy of Science, Alama,J;Kahle,R

2013, JOURNAL OF PURE AND APPLIED ALGEBRA, Tabuada,G

2013, JOURNAL OF PURE AND APPLIED ALGEBRA, Tabuada,G

2013, MATHEMATISCHE NACHRICHTEN, Balmer,P;Tabuada,G

2013, ANNALS OF PURE AND APPLIED LOGIC, Kahle,R;Oitavem,I

2013, DISCRETE APPLIED MATHEMATICS, Liu,H;Mestre,A;Sousa,T