Unbalanced Hadamard Matrices and Finite Projective Planes of Even Order. - K. A. Bush (J. Comb. Theory A, 1971)

Bounds for the Number of Common Symbols in Balanced and Certain Partially Balanced Designs. - K. A. Bush (J. Comb. Theory A, 1977)

Robust Reinforcement Learning Control Using Integral Quadratic Constraints for Recurrent Neural Networks. - Charles W. Anderson; Peter Michael Young; Michael R. Buehner; James N. Knight; K. A. Bush; Douglas C. Hittle (IEEE Trans. Neural Networks, 2007)