Dipolar ordering and glassy freezing in a clathrate H. Woll, M. Enderle, A. Klöpperpieper, M. C. Rheinstädter, K. Kiefer, F. Kruchten and K. Knorr Europhys. Lett., 51 4 (2000) 407-412 Published online: 01 September 2002 DOI: 10.1209/epl/i2000-00509-0