1. Estimation of the parameters of a stationary Gaussian Markov process;Arato;Dokl. Akad. Nauk SSSR,1962
2. Numerical identification of linear dynamic systems from normal operating records;Åström,1965
3. On the achievable accuracy in identification problems;Åström,1967
4. Measurement and Analysis of Random Data;Bendat,1966
5. On the statistical treatment of linear stochastic difference equations;Mann;Econometrica,1943