1. ISO/IEC 10536 Identification cards – Contactless integrated circuit cards – Close coupling cards – part 1 2 3 4 ISO Geneva Switzerland 1995–2000
2. ISO/IEC 14443:2011(E) Identification cards – Contactless integrated circuit cards – Proximity cards – part 1 2 3 and 4 ISO Geneva Switzerland 2nd ed. 2008–2011
3. ISO/IEC 15693: 2006(E) Identification cards – Contactless integrated circuit cards – Vicinity cards – part 1 2 3 Geneva Switzerland 2006
4. NFC Forum (www.nfc‐forum.org/specs/) NFC Analogue Specification Revision Draft 0.38 Jun. 2011