@techreport{de-Souza-etal89,
  author	= {de Souza, Clarisse Siekenius and Scott, Donia R. and das Gra\ccas Volpe, Nunes Maria},
  year		= {1989},
  title		= {Enhancing text quality in a text-answering system},
  institution	= {Departamento de Inform{\'a}tica, Pontificia Universidade de Rio de Janeiro, Brasil and Philips Research Laboratories, Redhill, England}
}