@PHDTHESIS{Bartsch2004thesis,
   author = {Mark A. Bartsch},
   title = {Automatic Singer Identification in Polyphonic Music},
   school = {University of Michigan},
   address = {MI, USA},
   month = {August},
   year = {2004},
   url = {http://home.earthlink.net/~bartscma/bartsch_thesis_final.pdf},
   abstract = {
   }
}