%0 conference lecture %@ %A Raetzke, K., Lima De Miranda, R., Kruse, J., Faupel, F., Fritsch, D., Abetz, V., Budd, P., Selbie, J., McKeown, N., Ghanem, B. %D 2008 %J International Congress on Membranes and Membrane Processes, ICOM 2008 %T Unusual Temperature Dependence of Positron Lifetime in a Polymer of Intrinsic Microporosity %U %X