@incollection{BerwangerBlumensath02a,
  pages = {285--301},
  title = {{The Monadic Theory of Tree-like Structures}},
  editor = {E. {Gr\"adel} and W. Thomas and T. Wilke},
  series = {{LNCS 2500}},
  publisher = {Springer Verlag},
  year = 2002,
  booktitle = {{Automata, Logic, and Infinite Games}},
  author = {D. Berwanger and A. Blumensath},
}