Feedback and chaos in Darwinian evolution: Part I. Theoretical considerations. - Douglas S. Robertson; Michael C. Grant (Complex., 1996)

Feedback and chaos in Darwinian evolution Part II. Numerical modeling. - Douglas S. Robertson; Michael C. Grant (Complex., 1996)

Algorithmic information theory, free will, and the Turing test. - Douglas S. Robertson (Complex., 1999)

Goedel's theorem, the theory of everything, and the future of science and mathematics. - Douglas S. Robertson (Complex., 2000)

A suspended laser interferometer for determining the Newtonian constant of gravitation. - Harold V. Parks; James E. Faller; Douglas S. Robertson (IEEE Trans. Instrum. Meas., 2001)