1. S.A. Tretter, Communications System Design Using DSP Algorithms (Springer Science + Business Media, 2008)
2. E. Roland, Best, Phase-locked Loops, Design, Simulation, and Applications, 6th edn. (McGraw-Hill, New York, 2007)
3. A.V. Oppenheim, R.W. Schafer, Discrete-Time Signal Processing (Prentice-Hall, US, 1989)
4. R.J. Higgins, Digital Signal Processing in VLSI (Prentice Hall, US, 1990)
5. R.E. Best, N.V. Kuznetsov, G.A. Leonow, M.V. Yuldashev, R.V. Yuldashev, Simulation of analog Costas loop circuits. Int. J. Automat. Comput. 11, 571–579 (2014)