Low-temperature anomalies in the dissipation of small mechanical resonators D. S. Greywall, B. Yurke, P. A. Busch and S. C. Arney Europhys. Lett., 34 1 (1996) 37-42 Published online: 01 September 2002 DOI: 10.1209/epl/i1996-00412-2