@incollection{Steffen2022,
  author    = {Joachim Steffen},
  title     = {The linguistic frontier Spanish/Portuguese in Uruguay},
  booktitle = {Contact varieties of Spanish and Spanish-lexified contact varieties},
  editor    = {Joachim Steffen and Leonardo Cerno and Hans-J{\"o}rg D{\"o}hla and Robert Hesselbach and Miguel Guti{\´e}rrez Mat{\´e}},
  url       = {https://www.degruyterbrill.com/document/isbn/9783110743975/html},
  year      = {2022},
}