![Local and cooperative motions at the glass transition of polystyrene: information from one- and two-dimensional NMR as compared with other techniques]()
Local and cooperative motions at the glass transition of polystyrene: information from one- and two-dimensional NMR as compared with other techniquesPschorn, U.; Roessler, E.; Sillescu, H.; Kaufmann, S.; Schaefer, D.; Spiess, H. W. · Macromolecules · 1991