Slow-Wave Microstrip Lines Using Ground Slots for Enhanced Impedance Control. - Kook Joo Lee; Hyung Jin Park; Seung-Ho Choi; Moonil Kim (IEICE Trans. Commun., 2010)

Multi-Layer Dielectric Cavity Antennas with Extended Aperture Height. - Kook Joo Lee; Moonil Kim; Jung Aun Lee; Sanggeun Jeon (IEICE Trans. Commun., 2011)