Transistor oscillator and amplifier grids. - Robert M. Weikle; Moonil Kim; Jon B. Hacker; Michael P. DeLisio; Zoya B. Popovic; David B. Rutledge (Proc. IEEE, 1992)

An X-Band Microstrip Phase Shifter Using an Electromagnetic Bandgap Backplane. - Dowon Kim; Moonil Kim; Hao Xin; Jon B. Hacker (IEICE Trans. Commun., 2005)