@TechReport{TangS11,
 author = {Yichuan Tang and Ilya Sutskever},
 title = {Data Normalization in the Learning of Restricted Boltzmann Machines},
 institution =  "Department of Computer Science, University of Toronto",
 year = {2011},
 type = 	"Technical Report",
 number =	"UTML-TR-11-2",
}