1. The descriptive set theory of Polish group actions;Becker,1996
2. J.D. Clemens, The set of distances in a Polish metric space, Fundamenta Mathematicae (in press).
3. Isomorphism of homogeneous structures;Clemens;Notre Dame Journal of Formal Logic,2009
4. J.D. Clemens, Isometry of Polish metric spaces with a fixed set of distances, (2007) Preprint.
5. Polish metric spaces: their classification and isometry groups;Clemens;Bulletin of Symbolic Logic,2001