M. L. Oberhart

New simple feed network for an array module of four microstrip elements

Y. T. Lo, M. L. Oberhart, R.Q.H. Lee, 1987 .

Simple method of experimentally investigating scanning microstrip antenna arrays without phase-shifting devices

Y. T. Lo, M. L. Oberhart, 1989 .

Slotline fed microstrip antenna array modules

M. L. Oberhart, Y. Lo, R. Q. Lee, 1988 .