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2. Techniques for testing the constancy of regression relationships over time;Brown;J.R. Stat. Soc.,1975
3. Applications of Kalman filter to hydrology, hydraulics and water resources;Chiu,1978
4. Refined instrumental variable method of recursive time series analysis, Part II. Multivariable systems;Jakeman;Aust. Natl. Univ., Canberra, A.C.T., Cent. Resour. Environ. Stud. (C.R.E.S.), Rep. No. AS/R13,1978