1. Technical Specifications.
http://www.nfc-forum.org/specs/
2. http://press.ihs.com/press-release/design-supply-chain/nfc-enabled-cellphone-shipments-soar-fourfold-next-five-years
3. ISO/IEC 18092, Near Field Communication - Interface and Protocol (NFCIP-1), April 2004
4. Logical Link Control Protocol, Technical Specification, NFC ForumTM, LLCP 1.1, June 2011
5. Simple NDEF Exchange Protocol, Technical Specification, NFC ForumTM, SNEP 1.0, August 2011