Recent developments of the radioactive beam preparation at REX-ISOLDE P. Delahaye, F. Ames, I. Podadera, R. Savreux and F. Wenander Eur. Phys. J. A, 25 3 (2005) 739-741 Published online: 11 August 2005 DOI: 10.1140/epjad/i2005-06-150-9