1. Agarwal PK, Sharir M (1995a) Davenport–Schinzel sequences and their geometric applications. Cambridge Univ. Press
2. Agarwal PK, Sharir M (1995b) Davenport–Schinzel sequences and their geometric applications, Technical report DUKE-TR-1995-21. Department of Computer Science, Duke University
3. Attalah MJ (1985) Some dynamic computational geometry problems. Comput Math Appl 11: 1171–1181
4. Baccelli F, Cohen G, Olsder GJ, Quadrat J-P (1992) Synchronization and linearity. Wiley, Download from http://www.maxplus.org
5. Boissonat JD, Yvinec M (1998) Algorithmic geometry. Cambridge Univ. Press