The determination of digital simulation models for continuous systems by direct-search minimization. - Gary G. Leininger; Hinrich R. Martens (ACM National Conference, 1968)

Real time distributed parameter state estimation applied to a two dimensional heated ingot. - Gerhard K. Lausterer; W. Harmon Ray; Hinrich R. Martens (Autom., 1978)

An evaluation of hierarchical features in speech recognition. - Matthew Yuschik; Hinrich R. Martens (ICASSP, 1981)