1. N. Suresh Kumar, K.C.B. Naidu, P. Banerjee, T. Anil Babu, B. Venkata Shiva Reddy, A review on metamaterials for device applications, Crystals, 11(5) (2021) 518 [Online]. Available: Doi: 10.3390/cryst11050518.
2. Common Frequency Bands for Operation of Short Range Radiocommunication Devices, Asia-Pacific Telecommunity (APT),APT/AWF/REP-07 (Rev. 1), September 2009.
3. Coexistence between Ultra Low Power Active Implants Devices(ULP-AMI) and Existing Radio Communication Systems and Services in the Frequency Bands 401-402 MHz and 405-406 MHz, Electronic Communications Committee (ECC), September 2006.
4. Electrical dynamic modulation of THz radiation based on superconducting metamaterials;Li;Appl. Phys. Lett.,2017
5. Electromagnetic Compatibility and Radio Spectrum Matters; Short Range Devices (SRD); Ultra Low Power Active medical Implants (ULP-AMI) and Peripherals (ULP-AMI-P) Operating in the Frequency Range 401 MHz to 402 MHz and 405 MHz to 406MHz; part 1: Technical Characteristics and Tests Methods, European Telecommunication Standard Institute (ESTI), ESTI EN302 537-1 v 1.1.2 (2007-12), June 2010.