1. Automatic construction of linear stochastic dynamic models for stationary industrial processes with random disturbances using operating records;Åström,1965
2. Control Problems in Paper Making;Åström,1964
3. Quasilinearization and nonlinear boundary-value problems;Bellman,1965
4. On the use of adjustable models for determination of system dynamics;Blandhol,1962
5. Fitting empirical data;Box;Annals New York Academy of Sciences,1960