The correlation function of Gaussian noise passed through nonlinear devices. - Richard F. Baum (IEEE Trans. Inf. Theory, 1969)

Optimal Control Systems with Stochastic Boundary Conditions and State Equations. - Richard F. Baum (Oper. Res., 1972)

On the Axiomatization of Security Policy: Some Tentative Observations about Logic Representation. - James Bret Michael; Edgar H. Sibley; Richard F. Baum; Fu Li (DBSec, 1992)