Joachim Giesen Balint Miklos Mark Pauly Camille Wormser The scale axis transform. 106-115 2009 Symposium on Computational Geometry http://doi.acm.org/10.1145/1542362.1542388 conf/compgeom/2009 db/conf/compgeom/compgeom2009.html#GiesenMPW09a