Discrete-space continuous-time analog circuits for spatially-bandpass 2D IIR beam filters. - Rimesh M. Joshi; Arjuna Madanayake; Len T. Bruton; Mona Maini (nDS, 2011)

Continuous-Time Analog Two-Dimensional IIR Beam Filters. - Leonard T. Bruton; Arjuna Madanayake; Chamith Wijenayake; Mona Maini (IEEE Trans. Circuits Syst. II Express Briefs, 2012)