1. The ARRL Antenna Book. The American Radio Relay League (2000)
2. Engelhardt, M., Pfeiffer, F., Finkenzeller, K., Biebl, E.: Extending ISO/IEC 14443 type a eavesdropping range using higher harmonics. In: Proceedings of 2013 European Conference on Smart Objects, Systems and Technologies (SmartSysTech), pp. 1–8. IEEE (2013)
3. European Radiocommunications Committee (ERC): ERC report 69 – propagation model and interference range calculation for inductive systems 10 kHz - 30 MHz (1999)
4. Finkenzeller, K.: RFID Handbook: Fundamentals and Applications in Contactless Smart Cards and Identification, 3rd edn. Wiley (2010)
5. Lecture Notes in Computer Science;L. Francis,2010