Cramer Rao bounds on direction estimates for closely spaced emitters in multi-dimensional applications. - Jack Jachner; Harry B. Lee (ICASSP, 1992)

Eigenvalues and eigenvectors of covariance matrices for closely-spaced signals in multi-dimensional direction finding. - Jack Jachner; Harry B. Lee (ICASSP (4), 1993)

Compact Cramer-Rao bound expression for an extended signal model. - Harry B. Lee; Jack Jachner (IEEE Trans. Signal Process., 1994)