2002, ALGEBRA COLLOQUIUM, Araujo,J
2002, SEMIGROUP FORUM, Araujo,J
2002, PROCEEDINGS OF THE EDINBURGH MATHEMATICAL SOCIETY, Araujo,J
2002, ARCHIVE FOR MATHEMATICAL LOGIC, Oitavem,I
2002, Electronic Journal of Linear Algebra, Johnson,CR;Saiago,CM
2002, HISTORIA MATHEMATICA, Peckhaus,V;Kahle,R
2002, SYNTHESE, Kahle,R
2002, Semigroups, Algorithms, Automata and Languages, FERNANDES,VH
2003, LINEAR ALGEBRA AND ITS APPLICATIONS, Johnson,CR;Duarte,AL;Saiago,CM;Sutton,BD;Witt,AJ
2003, ANNALS OF PURE AND APPLIED LOGIC, Kahle,R