@ARTICLE{Langheinrich-2009-puc,
   author        = {Langheinrich, Marc},
   title         = {{A Survey of RFID Privacy Approaches}},
   journal       = {Personal and Ubiquitous Computing},
   year          = {2009},
   volume        = {13},
   number        = {6},
   pages         = {413--421},
   month         = {August},
   bibsource     = {Information Security Group (GSI), UCL, Louvain-la-Neuve, Belgium},
}