1. Numerical identification of linear dynamic systems from normal operating records;Åström,1966
2. System identification—a survey;Åström;Automatica,1971
3. The identification of algal population dynamics in a freshwater stream;Beck,1975
4. “An Analysis of Gas Production Dynamics in the Anaerobic Digestion Process,”;Beck,1976
5. Beck, M. B. (1977). Problems of river water quality modelling and control: A review. Prepr., IFAC Symp. Environ. Syst. Plann., Des., Control, 1977, pp. 341–349.