1. Åström, K J (1979a): Robustness of a design method based on assignment of poles and zeroes. IEEE Transaction on Automatic Control. To appear.
2. Åström, K J (1979b): Algebraic system theory as a tool for regulator design. In Acta Polytechnica Scandinavia, Ma31, Helsinki: Topics in System Theory. Publication in honour of Professor Hans Blomberg on the occasion of his sixtieth birthday on December 18th, 1979.
3. Åström, K J (1979c): Simple self-tuners I, Department of Automatic Control, Lund Institute of Technology, Sweden, CODEN: LUTFD2/(TFRT-7184)/(1-052)/(1979).
4. Åström, K J, Borisson, U, Ljung, L and Wittenmark, B (1977): Theory and applications of self-tuning regulators, Automatica, 13, 457–476.
5. Åström, K J, Wittenmark, B (1979): Self-tuning controllers based on pole-zero placement. Submitted to IEE Proceedings Part D, Control Theory and Applications.