Analogue Fingerprinting for Passive RFID Tags. - Gregory Stuart Smith; Marijke Coetzee (BroadCom, 2008)

An Analysis of Authentication for Passive RFID Tags. - Gregory Stuart Smith; Marijke Coetzee (ISSA, 2009)

AFA-RFID: Physical layer authentication for passive RFID tags. - Gregory Stuart Smith; Marijke Coetzee (ISSA, 2015)