%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 %N %P %T Unusual Temperature Dependence of Positron Lifetime in a Polymer of Intrinsic Microporosity %U %X