@techreport{Dorr87,
  author	= {Dorr, Bonnie J.},
  year		= {1987},
  title		= {Unitran: a principle-based approach to machine translation},
  number	= {MIT AI Technical Report 1000},
  address	= {Cambridge, Massachussetts},
  institution	= {Massachussetts Institute of Technology, Department of Electrical Engineering and Computer Science}
}