1. G. Ledwich, E. Palmer, Modal estimates from normal operation of power systems, in 2000 IEEE Power Engineering Society Winter Meeting Conference (2000), pp. 1527–1531
2. P. Billingsley, Probability and Measure (Wiley, New York, Chichester, Brisbane, Toronto, Singapore, 1995)
3. G.J. Miao, Signal Processing in Digital Communications (Artech House, Norwood, 2007).
4. M.S. Roden, Analog and Digital Communication Systems, 4th edn. (Prentice Hall, Upper Saddle River, NJ, 1996).
5. B.D.O. Anderson, Optimal Filtering (Dover Publications, Newburyport, 2012).