1. Ganiev, R.F. and Glazunov, V.A., Manipulation parallel mechanisms and their applications in modern machine engineering, Dokl. Ross. Akad. Nauk, 2014, no. 4, pp. 1–4.
2. Gosselin, C.M. and Angeles, J., Singularity analysis of closed-loop kinematic chains, IEEE Trans. Rob. Autom., 1990, vol. 6, no. 3, pp. 281–290.
3. Glazunov, V.A., Koliskor, A.Sh., and Krainev, A.F., Prostranstvennye mekhanizmy parallel’noi struktury (Spatial Parallel Mechanisms), Moscow: Nauka, 1991.
4. Merlet, J.-P., Parallel Robots, Dordrecht: Springer-Verlag, 2006, 2nd ed.
5. Laryushkin, P.A., Classification and occurrence conditions of singularities in parallel mechanisms, Izv. Vyssh. Uchebn. Zaved., Mashinostr., 2017, no. 1 (682), pp. 16–23.