%0 journal article %@ 0024-9297 %A Hofmann, D., Entrialgo, M., Lerbret, A., Heuchel, M., Yampolskii, Y. %D 2003 %J Macromolecules %P 8528-8538 %T Molecular Modeling Investigation of Free Volume Distributions in stiff chain polymers with conventional and ultra-high free volume: Comparison between Molecular Modeling and Positron Lifetime Studies %U %X