1. P. Abramenko and B. Mühlherr, Présentation des certaines BN-paires jumelées comme sommes amalgamées, Comptes Rendus de l’Académie des Sciences. Série I. Mathématique 325 (1997), 701–706.
2. R. Alperin, Compact groups acting on trees, Houston Journal of Mathematics 6 (1980), 439–441.
3. R. Alperin, Locally compact groups acting on trees, Pacific Journal of Mathematics 100 (1982), 23–32.
4. S. Ardanza-Trevijano and M. J. Chasco, The Pontryagin duality of sequential limits of topological Abelian groups, Journal of Pure and Applied Algebra 202 (2005), 11–21.
5. S. Ardanza-Trevijano and M. J. Chasco, Continuous convergence and duality of limits of topological Abelian groups, Sociedad Matematica Mexicana. Boletín 13 (2007), 15–23.