Effect of atmosphere on reductions in the glass transition of thin polystyrene filmsA. N. Raegen, M. V. Massa, J. A. Forrest and K. Dalnoki-VeressEur. Phys. J. E, 27 4 (2008) 375-377DOI: https://doi.org/10.1140/epje/i2008-10394-3