en Arkin, Esther M.; Fekete, Sándor P.; Hurtado, Ferran; Mitchell, Joseph S. B.; Noy, Marc; Sacristán, Vera; Sethia, Saurabh (). „On the reflexivity of point sets”. În Aronov, Boris; Basu, Saugata; Pach, János; Sharir, Micha. Discrete and Computational Geometry: The Goodman-Pollack Festschrift. Algorithms and Combinatorics. 25. Berlin: Springer. pp. 139–156. doi:10.1007/978-3-642-55566-4_6. MR2038472.
en Andrew, A. M. (). „Another efficient algorithm for convex hulls in two dimensions”. Information Processing Letters. 9 (5): 216–219. doi:10.1016/0020-0190(79)90072-3.
en Arkin, Esther M.; Fekete, Sándor P.; Hurtado, Ferran; Mitchell, Joseph S. B.; Noy, Marc; Sacristán, Vera; Sethia, Saurabh (). „On the reflexivity of point sets”. În Aronov, Boris; Basu, Saugata; Pach, János; Sharir, Micha. Discrete and Computational Geometry: The Goodman-Pollack Festschrift. Algorithms and Combinatorics. 25. Berlin: Springer. pp. 139–156. doi:10.1007/978-3-642-55566-4_6. MR2038472.