First inelastic neutron scattering studies on thin free standing polymer films B. Frick, K. Dalnoki-Veress, J.A. Forrest, J. Dutcher, C. Murray and A. Higgins Eur. Phys. J. E, 12 (2003) 93-96 Published online: 05 November 2003 DOI: 10.1140/epjed/e2003-01-022-4