1. Discrete Techniques of Parameter Estimation, Dekker, New York (1973).
2. Channel equalization using a Kalman filter for fast data transmission, IBM J. Res. Develop., pp. 267–273 (1974).
3. Self-Orthogonalizing Adaptive Equalization Algorithms
4. Theory on the speed of convergence in adaptive equalizers for digital communication, IBM J. Res. Develop., pp. 546–555 (1972).