Effect of atmosphere on reductions in the glass transition of thin polystyrene films A. N. Raegen, M. V. Massa, J. A. Forrest and K. Dalnoki-Veress Eur. Phys. J. E, 27 4 (2008) 375-377 Published online: 20 November 2008 DOI: 10.1140/epje/i2008-10394-3