References

[1] Mark de Berg and Otfried Cheong and Marc J. van Kreveld and Mark H. Overmars, Computational geometry: algorithms and applications, 3rd Edition, Springer, 2008.

[2] J{\"{o}}rg{-}R{\"{u}}diger Sack and Jorge Urrutia, Handbook of Computational Geometry, North Holland / Elsevier, 2000.