Ulrike Meyer Jared Cordasco Susanne Wetzel An approach to enhance inter-provider roaming through secret sharing and its application to WLANs. 1-13 2005 conf/wmash/2005 WMASH http://doi.acm.org/10.1145/1080730.1080732 db/conf/wmash/wmash2005.html#MeyerCW05