An algorithm for optimally ordering the sections of a cascade digital filter. - Theodore R. Lapp; Robert A. Gabel (ICASSP, 1976)

Digital filters with prescribed zeros. - Yrjö Neuvo; Tapio Saramäki; Robert A. Gabel (ICASSP, 1978)

On the design of complementary filters. - Robert A. Gabel (ICASSP, 1979)

On asymmetric FIR interpolators with minimum Lperror. - Robert A. Gabel (ICASSP, 1980)

On the design and performance of equiripple IIR interpolators. - Robert A. Gabel (ICASSP, 1981)

Digital beamsteering with recursive multichannel filters. - Robert A. Gabel; Richard R. Kurth (ICASSP, 1982)

Equiripple two-dimensional interpolation filters. - Robert A. Gabel (ICASSP, 1983)

Machine intelligence applied to radar image understanding. - Ann Marie Aull; Robert A. Gabel (ICASSP, 1989)