Multiband miniature coplanar waveguide slot antennas for GSM-802.11b and 802.11b-802.11a wireless applications. - Evangelos S. Angelopoulos; Yorgos E. Stratakos; Antonis I. Kostaridis; Dimitra I. Kaklamani; Nikolaos K. Uzunoglu (WCNC, 2003)