Eric A. Perlman Randal C. Burns Michael M. Kazhdan Rebecca R. Murphy William P. Ball Nina Amenta Organization of Data in Non-convex Spatial Domains. 342-359 2010 SSDBM http://dx.doi.org/10.1007/978-3-642-13818-8_25 conf/ssdbm/2010 db/conf/ssdbm/ssdbm2010.html#PerlmanBKMBA10