References
- G.E.P. Box and G.M. Jenkins, Time Series Analysis Forecasting and Control, San Francisco: Holden-Day, 1976
- R,K. Mehra, “On the identification of variances and adaptive Kalman filtering,” IEEE Trans, on Aut, Contr.,AC-15: 2 (1970) 175-184
- T. Hogan, “Is there a future in your data?” Business Software Magazine, May 1985