1. Marqués, R., F. Martín, and M. Sorolla, Metamaterials with Negative Parameters: Theory, Design and Microwave Applications, John Wiley & Sons, 2008.
2. Capolino, F., Theory and Phenomena of Metamaterials, CRC Press, Oct. 5, 2009.
3. Cui, T. J., D. Smith, and R. Liu, Metamaterials Theory, Design, and Applications, Springer, 2010.
4. Eleftheriades, G. V. and K. G. Balmain, Negative Refractive Metamaterials, John Wiey & Sons, 2005.
doi:10.1002/0471744751
5. Caloz, C. and T. Itoh, Electromagnetic Metamaterials Transmission Line Theory and Microwave Applications, John Wiley & Sons, 2006.
6. Caloz, T. I. and A. Rennings, "CRLH metamaterial leaky-wave and resonant antennas," IEEE Antennas and Propagation Magazine, Vol. 50, No. 5, 25-39, 2008.
doi:10.1109/MAP.2008.4674709
7. Lee, W. H., A. Gummalla, and M. Achour, "Small antennas based on crlh structures: Concept, design, and applications," IEEE Ant. and Prop. Mag., Vol. 53, No. 2, 10-25, 2011.
doi:10.1109/MAP.2011.5949321
8. Ziolkowski, R. W., P. Jin, and C. Lin, "Metamaterial-inspired engineering of antennas," IEEE Proceedings, Vol. 99, No. 10, 1720-1731, 2011.
doi:10.1109/JPROC.2010.2091610
9. Dong, Y. and T. Itoh, "Metamaterial-based antennas," IEEE Proceedings, Vol. 100, No. 7, 2271-2285, 2012.
doi:10.1109/JPROC.2012.2187631
10. Mehdipour, A. and G. V. Eleftheriades, "Leaky-wave antennas using negative-refractive-index transmission-line metamaterial supercells," IEEE Transaction on Antennas and Propagation, Vol. 62, No. 8, 3929-3942, 2014.
doi:10.1109/TAP.2014.2322882
11. Sharma, S. K., D. Gupta, J. D.Mulchandani, and R. K. Chaudhary, "A dumbbell-shaped dual-band metamaterial antenna using FDTD technique," Progress In Electromagnetics Research Letters, Vol. 56, 25-30, 2015.
doi:10.2528/PIERL15070106
12. Bala, B. D., M. K. A. Rahim, N. A. Murad, and S. K. A. Rahim, "Dual band metamaterial antenna with loaded resonators," 2013 IEEE 2013 Asia-Pacific Microwave Conference Proceedings (APMC), 1151-1153, 2013.
doi:10.1109/APMC.2013.6695052
13. Sharma, S. K. and R. K. Chaudhary, "Metamaterial inspired dual-band antenna with modified CSRR and EBG loading," 2015 IEEE International Symposium on Antennas and Propagation, 472-473, Canada, 2015.
14. Si, L. M., W. Zhu, and H. J. Sun, "A compact, planar, and CPW-fed metamaterial-inspired dual-band antenna," IEEE Antennas and Wireless Propagation Letters, Vol. 12, 305-308, 2013.
doi:10.1109/LAWP.2013.2249037
15. Li, L., J. Zhen, F. Huo, and W. Han, "A novel compact multiband antenna employing dual-band CRLH-TL for smart mobile phone application," IEEE Antennas and Wireless Propagation Letters, Vol. 12, 1688-1691, 2013.
doi:10.1109/LAWP.2013.2295915
16. Abdalla, M. A. and Z. Hu, "Compact and tunable metamaterial antenna for multi-band wireless communication applications," 2011 IEEE AP-S Int. Antenna and Propagation Symposium Digest, 2951-2953, USA, 2011.
17. Abdalla, M. A. and Z. Hu, "Compact dual band meta-material antenna for wireless applications," 2012 Loughborough Antennas & Propagation Conference, 1-4, UK, 2012.
doi:10.1109/LAPC.2012.6403053
18. Abdalla, M. A., U. Abdelnaby, and A. A. Mitkees, "Compact and triple band meta-material antenna for all WiMAX applications," 2012 International Symposium on Antennas and Propagation (ISAP), 1176-1179, 2012.
19. Ibrahim, W., M. Abdalla, A. Allam, A. Mohamed, and H. Elregeily, "A compact and dual band metamaterial substrate integrated waveguide antenna," 2013 IEEE AP-S International Antenna and Propagation Symposium Digest, 966-967, USA, 2013.
doi:10.1109/APS.2013.6711142
20. Abdalla, M., "A dual mode CRLH TL metamaterial antenna," 2014 IEEE AP-S International Antenna and Propagation Symposium Digest, 793-794, Memphis, USA, Jul. 6-11, 2014.
21. Abdalla, M., S. Karimian, and Z. Hu, "Dual band spurious-free SIR metamaterial antenna," 2014 IEEE AP-S International Antenna and Propagation Symposium Digest, 1005-1006, Memphis, USA, Jul. 6-11, 2014.
22. Abdalla, M., M. Fouad, A. Ahmed, and Z. Hu, "A new compact microstrip triple band antenna using half mode CRLH transmission line," 2013 IEEE AP-S Int. Antenna and Propagation Symposium Digest, 634-635, USA, 2013.
doi:10.1109/APS.2013.6710977
23. Abdalla, M., M. A. El-Dahab, and M. Ghouz, "Dual/triple band printed dipole antenna loaded with CRLH cells," 2014 IEEE AP-S International Antenna and Propagation Symposium Digest, 1007-1008, USA, 2014.
24. Abdalla, M. and A. Ibrahim, "Multi-band meta-material antenna with asymmetric coplanar strip-fed structure," 2015 IEEE AP-S International Antenna and Propagation Symposium Digest, 631-632, Canada, 2015.
25. Eleftheriades, G. V., "A generalized negative-refractive-index transmission-line (NRI-TL) metamaterial for dual-band and quad-band applications," IEEE Microw. Wireless Compon. Lett., Vol. 17, No. 6, 415-417, 2007.
doi:10.1109/LMWC.2007.897786
26. Rennings, A., S. Otto, J. Mosig, C. Caloz, and I. Wolff, "Extended composite right/left-handed (E-CRLH) metamaterial and its application as quadband quarter-wavelength transmission line," Asia-Pacific Microwave Conference (APMC), 1405-1408, Japan, Dec. 2006.
27. Ryan, C. and G. Eleftheriades, "Design of a printed dual-band coupled-line coupler with generalised negative-refractive index transmission lines," IET Microwaves, Antennas & Propagation, Vol. 6, 705-712, 2012.
doi:10.1049/iet-map.2011.0508
28. Ryan, G. M. and G. V. Eleftheriades, "A single-ended all-pass generalized negative-refractive-index transmission line using a bridged-T circuit," Microwave 2012 IEEE MTT-S International Symposium Digest (MTT), 1-3, Canada, 2012.
doi:10.1109/MWSYM.2012.6259660
29. Fouad, M. A. and M. A. Abdalla, "A new π-T generalized metamaterial NRI transmission line for a compact CPW triple BPF applications," IET Microwave, Antenna and Propagation, Vol. 8, No. 9, 1-8, Jun. 2014.
30. Papanastasiou, A. C., G. E. Georghiou, and G. V. Eleftheriades, "A quad-band Wilkinson power divider using generalized NRI transmission lines," IEEE Microwave and Wireless Components Letters, Vol. 18, No. 8, 521-523, 2008.
doi:10.1109/LMWC.2008.2001010
31. Markley, L. and G. V. Eleftheriades, "Quad-band negative-refractive-index transmission-line unit cell with reduced group delay," Electronics Letters, Vol. 46, No. 17, 1206-1208, 2010.
doi:10.1049/el.2010.1797
32. Studniberg, M. and G. V. Eleftheriades, "A dual-band bandpass filter based on generalized negative-refractive-index transmission-lines," IEEE Microwave and Wireless Components Letters, Vol. 19, No. 1, 18-20, 2009.
doi:10.1109/LMWC.2008.2008538
33. Fouad, M. and M. Abdalla, "A compact and new CPWdual BPF based on generalized metamaterial CRLH transmission line," 2013 IEEE AP-S Int. Antenna and Propagation Symposium Digest, 628-629, USA, 2013.
doi:10.1109/APS.2013.6710974
34. Fouad, M. A. and M. A. Abdalla, "Ultra compact CPW dual band filter based on Π-generalized metamaterial NRI transmission line," Journal of Electromagnetic Waves and Applications, Vol. 29, No. 8, 1093-1103, 2015.
doi:10.1080/09205071.2015.1044123
35. Ryan, C. G. M. and G. V. Eleftheriades, "A dual-band leaky-wave antenna based on generalized negative-refractive-index transmission-lines," 2010 IEEE Antennas and Propagation Society International Symposium, 1-4, 2010.
doi:10.1109/APS.2010.5561033
36. Pozar, D. M., Microwave Engineering, J. Wiley & Sons, 1998.
37. Bahl, I. J., Lumped Elements for RF and Microwave Circuits, Artech House, 2003.
38. Hong, J. and M. J. Lancaster, Microstrip Filters for RF Microwave Applications, John Wiley & Sons, 2001.
doi:10.1002/0471221619.ch1