Qualitative discrepancy between different measures of dynamics in thin polymer films⋆ Z. Fakhraai, S. Valadkhan and J. A. Forrest Eur. Phys. J. E, 18 2 (2005) 143-148 Published online: 07 October 2005 DOI: 10.1140/epje/i2004-10158-1