(Advanced Textbooks in Control and Signal Processing) E. W. Kamen PhD, J. K. Su PhD (auth.)-Introduction to Optimal Estimation-Springer-Verlag London (1999) - download at 4shared. (Advanced Textbooks in Control and Signal Processing) E. W. Kamen PhD, J. K. Su PhD (auth.)-Introduction to Optimal Estimation-Springer-Verlag London (1999) is hosted at free file sharing service 4shared.