1. A. Archer, J. Fakcharoenphol, C. Harrelson, R. Krauthgamer, K. Talwar, and E. Tardos, “Approximate classification via earthmover metrics” in Proceedings of the Fifteenth Annual ACM–SIAM Symposium on Discrete Algorithms, ACM, New York, 2004, 1079–1087.
2. N. Aronszajn and P. Panitchpakdi, Extension of uniformly continuous transformations and hyperconvex metric spaces, Pacific J. Math 6 (1956), 405–439.
3. P. Assouad, Sur la distance de Nagata, C. R. Acad. Sci. Paris Sér. I Math. 294 (1982), no. 1, 31–34.
4. G. Bell and A. Dranishnikov, Asymptotic dimension, Topology Appl. 155 (2008), no. 12, 1265–1296.
5. M. Bonamy, N. Bousquet, L. Esperet, C. Groenland, C.-H. Liu, F. Pirot, and A. Scott, Asymptotic dimension of minor-closed families and Assouad–Nagata dimension of surfaces, to appear in J. Eur. Math. Soc.