Abramovitch, D. (2002). Phase-locked loops: a control centric tutorial. In Proc. of American Control Conference (IEEE Cat. No.CH37301), volume 1, 1–15.

Belcher, I. (1991). An investigation into the operating characteristics of the progressive cavity pump. Ph.D. thesis, Cranfield University (United Kingdom).

Kouhi, Y., Müller, J., Leonow, S., and Mönnigmann, M. (2020). Estimating load points of a motor-pump system using pressure and inverter drive data. URL http://arxiv.org/abs/2010.04090.

Kroupa, V.F. (2003). Phase Lock Loops and Frequency Synthesis. Wiley.

Müller, J., Leonow, S., Schulz, J., Hansen, C., and Mönnigmann, M. (2019). Towards model-based condition monitoring for progressing cavity pumps. In Proceedings of the 4th International Rotating Equipment Conference, 1–10.

Nelik, L. and Brennan, J. (2005). Gulf Pump Guides: Progressing Cavity Pumps, Downhole Pumps and Mudmotors. Gulf Publishing Company.

Pan, L. and Tan, J. (2015). Numerical investigation of contact stress between rotor and stator in a two-lead progressing cavity pump. Journal of Petroleum Science and Engineering, 134, 176–185.

Tan, N. (2020). Artificial Lift Methods : Design, Practices, and Applications. Petroleum Engineering. Springer.

Wittrisch, C. and Cholet, H. (2013). Progressing Cavity Pumps. Paris, Editions Technip, second edition.