1. Polyhedral divisors and algebraic torus actions;Altmann;Math. Ann.,2006
2. Gluing affine torus actions via divisorial fans;Altmann;Transform. Groups,2008
3. Contributions to algebraic geometry;Altmann,2011
4. Automorphisms and local rigidity of regular varieties;Bien;Compos. Math.,1996
5. H. Bäker, J. Hausen, S. Keicher, On Chow quotients of torus actions. March 2012. ArXiv e-prints arXiv:1203.3759.