%0 Journal Article %T Resonance in a spherical annular‐ring microstrip structure %A Wong, Kin‐Lu %A Chen, Horng‐Dean %J Microwave and Optical Technology Letters %V 6 %N 15 %P 852-856 %@ 0895-2477 %D 1993-12-05 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve