1. Die Brennpunktmechanismen;Burmester;Z. Math. Phys.,1893
2. J. Capco, M. Gallet, G. Grasegger, C. Koutschan, N. Lubbes, J. Schicho, The number of realizations of all Laman graphs with at most 12 vertices, Zenodo, May 2018, http://dx.doi.org/10.5281/zenodo.1245517.
3. Lectures on the Theory of Algebraic Functions of One Variable;Deuring,1973
4. On certain deformable frameworks;Dixon;Messenger,1899
5. G. Grasegger, J. Legerský, FlexRiLoG — SageMath package for flexible and rigid labelings of graphs, Zenodo 2019, http://dx.doi.org/10.5281/zenodo.3078758.