El-Shaarawy, H. B., F. Coccetti, R. Plana, E. M. Said, and E. A. Hashish,
"Compact Bandpass Ring Resonator Filter With Enhanced Wide-Band Rejection Characteristics Using Defected Ground Structures",
IEEE Microwave and Wireless Components Letters, vol. 18, issue 8, pp. 500 – 502, 2008.
El-Shaarawy, H. B., B. Ouagague, F. Coccetti, R. Plana, M. E. Said, and E. A. Hashish,
"Mimiaturization d’un filter à résonateur en anneau en utilisant de stubs replies et des ‹‹ DGS ›› circulaires ",
16èmes Journées Nationales Microondes (JNM 2009), Grenoble, France, 2009.
El-Shaarawy, H. B., F. Coccetti, R. Plana, M. E. Said, and E. A. Hashish,
"Reconfigurable defected ground structure cell using PIN diodes on Coplanar Waveguide technology",
Microwave and Optical Technology Letters, vol. 52, issue 3, pp. 766-770, 2010.
El-Shaarawy, H. B., F. Coccetti, R. Plana, M. E. Said, and E. A. Hashish,
"Compact reconfigurable defected ground structure (DGS) based multi-band bandpass filters on coplanar waveguide technology",
IEEE Asia Pacific Microwave Conference (APMC 2009), Singapore, 7 – 10 Dec, 2009.