Boaz Lerner Hugo Guterman Mayer Aladjem Its'hak Dinstein On the Initialisation of Sammon's Nonlinear Mapping. 61-68 2000 3 Pattern Anal. Appl. 1 http://dx.doi.org/10.1007/s100440050006 db/journals/paa/paa3.html#LernerGAD00