PT Journal AU Demange, D Glugla, M Günther, K Le, TL Simon, KH Wagner, R Welte, S TI Counter-current isotope swamping in a membrane reactor: the PERMCAT process and its applications in fusion technology SO Catalysis Today PY 2010 BP 140 EP 145 VL 156 DI 10.1016/j.cattod.2010.02.033 LA english ER