%0 conference paper %@ %A Yampolskii, Y., Shantarovich, V., Hofmann, D., Heuchel, M. %D 2004 %J Advanced Materials from Membrane Separations, 222nd ACS National Meeting %P 91-105 %T Nanostructure of Free Volume in Glassy Polymers as Studied by Probe Methods and Computer Simulation %U %X