Greg Aloupis Brad Ballinger Prosenjit Bose Mirela Damian Erik D. Demaine Martin L. Demaine Robin Y. Flatland Ferran Hurtado Stefan Langerman Joseph O'Rourke Perouz Taslakian Godfried T. Toussaint Vertex Pops and Popturns. 137-140 2007 conf/cccg/2007 CCCG db/conf/cccg/cccg2007.html#AloupisBBDDDFHLOTT07