Adaptive array processors for sensitivity constrained optimization (Ph.D. Thesis abstr.). - Theo Kooij (IEEE Trans. Inf. Theory, 1978)

Sensitivity constrained optimum endfire array gain. - Henry Cox; Robert M. Zeskind; Theo Kooij (ICASSP, 1985)

Practical supergain. - Henry Cox; Robert M. Zeskind; Theo Kooij (IEEE Trans. Acoust. Speech Signal Process., 1986)