1. G. Barbieri, D. Dikranjan, C. Milan, H. Weber, Topological torsion related to some recursive sequences, work in progress
2. Algebraic obstructions to sequential convergence in Hausodrff abelian groups;Clark;Internat. J. Math. Math. Sci.,1998
3. TΩ-sequences in abelian groups;Clark;Internat J. Math. Sci.,2000
4. Topologies induced by groups of characters;Comfort;Fund. Math.,1964
5. D. Dikranjan, Topologically torsion elements of topological groups, Topology Proc., to appear