@TECHREPORT{graves04retraining,
  AUTHOR = {A. Graves and D. Eck and N. Beringer and J. Schmidhuber},
  TITLE = {Rapid Retraining with {LSTM} Recurrent Networks},
  INSTITUTION = {IDSIA},
  YEAR = {2004},
  ADDRESS = {www.idsia.ch/\-techrep.html}
}