1. Aichholzer, O., Cortés, C., Demaine, E.D., Dujmovic, V., Erickson, J., Meijer, H., Overmars, M., Palop, B., Ramaswawi, S., Toussaint, G.T.: Flipturning polygons. Discrete & Computational Geometry 28, 231–253 (2002)
2. Auer, T., Held, M.: Heuristics for the generation of random polygons. In: Fiala, F., Kranakis, E., Sack, J.-R. (eds.) Proc. of 8th Canadian Conf. Computational Geometry (CCCG 1996), pp. 38–44. Carleton University Press, Ottawa (1996)
3. Lecture Notes in Computer Science;M. Carlsson,1997
4. Erdös, P.: Problem number 3763. American Mathematical Monthly 42, 627 (1935)
5. Lecture Notes in Computer Science;I.P. Gent,2002