1. R. Ghaffarian, Facta Univ. Electron. Energy Ser. Electron. Energ. 29, 543 (2016). https://doi.org/10.2298/fuee1604543g.
2. L.K. Yeung, J. Wang, Y. Huang, S.-C. Lee, and K.-L. Wu, in 2005 Asia-Pacific Microwave Conference Proceedings (IEEE, Suzhou, China, 2005), pp. 1–4.
3. M.T. Sebastian, R. Ubic, and H. Jantunen, Int. Mater. Rev. 60, 392 (2015).
4. M.T. Sebastian, Dielectric Materials for Wireless Communication (Amsterdam: Elsevier, 2008).
5. J. Varghese, T. Joseph, and M. T. Sebastian, in AIP Conference Proceedings (2011), pp. 193–197