1. Brady, M., Hollerbach, J. Xl., et al.: Robot Motion: Planning and Control. MIT Press, Cambridge (1983)
2. Artobolevskii I.I., Ovakimov A.G.: One property of a matrix describing the structure of a manipulator drive, Transactions of the USSR Academia of Sciences, vol. 230, (in Russian, see English version in
http://adsabs.harvard.edu/abs/1976DoSSR.230..298A
) (1976)
3. Belyanin P.N., et al.: Mechanical arm. U.S. Patent 4259876, 7 Apr 1981
4. Youcef-Toumi K.: Analysis, Design and Control of Direct-Drive Manipulators. Ph.D thesis, Massachusetts Institute of Technology, Department of Mechanical Engineering (1985)
5. Youcef-Toumi K., Asada, H.: The design of arm linkages with decoupled and configuration-invariant inertia tensors: Part II: Actuator relocation and mass redistribution. In: Proceedings of 1985 ASME, Winter Annual Meeting, Miami, pp. 153–161 (1985)