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CoSy Bibliography
@ARTICLE{NLC99,
  title = {{Models of Nondeterministic Regular Expressions.}},
  author = {Nicola, Rocco De and Labella, Anna and Corradini, Flavio},
  journal = {J. Comput. Syst. Sci.},
  pages = {412-449},
  volume = {59},
  number = {3},
  year = {1999},
}

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