R. Baum

The correlation function of smoothly limited Gaussian noise

R. Baum, 1957 .

Design of Unsymmetrical Band-Pass Filters

R. Baum, R. Baum, 1957 .

A Modification of Brune's Method for Narrow-Band Filters

R. Baum, 1958 .

A Contribution to the Approximation Problem

R. Baum, 1948, Proceedings of the IRE.