Alwyn Jakobus Hoffman Daniel J. S. Geldenhuys Albertus B. Pretorius Securing number plates based on digital signatures and RFID. 2051-2057 2013 ITSC https://doi.org/10.1109/ITSC.2013.6728531 conf/itsc/2013 db/conf/itsc/itsc2013.html#HoffmanGP13