@article{aaag-ntsp-95 , author = "O. Aichholzer and D. Alberts and F. Aurenhammer and B. G{\"a}rtner" , title = "A Novel Type of Skeleton for Polygons" , journal = "J. Universal Comput. Sci." , volume = 1 , number = 12 , year = 1995 , pages = "752--761" }