Flavio D. Garcia Peter van Rossum Roel Verdult Ronny Wichers Schreur Wirelessly Pickpocketing a Mifare Classic Card. 3-15 2009 IEEE Symposium on Security and Privacy http://dx.doi.org/10.1109/SP.2009.6 conf/sp/2009 db/conf/sp/sp2009.html#GarciaRVS09