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Continue to ChatSmart Card Alliance publishes NFC transit white paper https://www.nfcworld.com/2012/02/07/313010/smart-card-alliance-publishes-nfc-transit-white-paper/
Smart Card Alliance publishes NFC transit white paper https://www.nfcworld.com/2012/02/07/313010/smart-card-alliance-publishes-nfc-transit-white-paper/