Molecular-weight dependence of the glass transition temperature of freely-standing poly(methyl methacrylate) filmsC. B. Roth, A. Pound, S. W. Kamp, C. A. Murray and J. R. DutcherEur. Phys. J. E, 20 4 (2006) 441-448DOI: https://doi.org/10.1140/epje/i2006-10034-0