Mark de Berg Ulrich Meyer Algorithms - ESA 2010, 18th Annual European Symposium, Liverpool, UK, September 6-8, 2010. Proceedings, Part I 2010 http://dx.doi.org/10.1007/978-3-642-15775-2 978-3-642-15774-5 6346 ESA (1) Lecture Notes in Computer Science Springer db/conf/esa/esa2010-1.html