References
Brumfiel:
The tree of a non-Archimidean hyperbolic plane, 1988
The real spectrum compactification of Teichmüller space, 1988
The organisers could not find these articles online, so please contact Fernando if you would like to get the book (that he borrowed from the library).
Kleiner-Leeb: Rigidity of quasi-isometries for symmetric spaces and Euclidean buildings, 1997
Parreau: Immeubles affines: Construction par les normes et étude des isométries, 1999
Kramer-Tent: Affine Lambda-buildings, ultrapowers of Lie groups and Riemannian symmetric spaces: an algebraic proof of the Margulis conjecture, 2002
Burger-Iozzi-Parreau-Pozzetti: The real spectrum compactification of character varietes: characterizations and applications, 2021