1. International Organization for Standardization, Identification Cards-Integrated Circuits(s) Cards with Contacts, ISO 7816.
2. International Organization for Standardization, Contactless integrated circuit(s) cards-Proximity Cards, ISO 14443.
3. European Telecommunication Standards Institute, Digital cellular telecommunications system (Phase 2+) Specification of the Subscriber Identity Module–Mobile Equipment (SIM-ME) interface ETSI GSM 11.11.
4. European Telecommunications Standards Institute, Digital cellular telecommunications system (Phase 2+) Specification of the SIM Application Toolkit for the Subscriber Identity Module-Mobile Equipment (SIM-ME) interface, ETSI GSM 11.14.
5. Interoperability Specification for ICCs and Personal Computer Systems, PC/SC, © 1996 CP8 Transac, HP, Microsoft, Schlumberger, Siemens Nixdorf.