1. Specker-Kompaktifizierungen von lokal kompakten topologischen Gruppen;Abels;Math. Z.,1974
2. Metric Spaces of Non-Positive Curvature, vol. 319;Bridson,2013
3. On the space of ends of infinitely generated groups;Cornulier;Topol. Appl.,2019
4. Groups Acting on Graphs, vol. 17;Dicks,1989
5. Universal spaces for asymptotic dimension;Dranishnikov;Topol. Appl.,2004