@incollection{BlumensathColcombetLoeding07,
  booktitle = {{Logic and automata: History and Perspectives}},
  year = 2007,
  author = {A. Blumensath and T. Colcombet and C. {L\"oding}},
  publisher = {Amsterdam University Press},
  title = {{Logical theories and compatible operations}},
  pages = {72--106},
  editor = {J. Flum and E. {Gr\"adel} and T. Wilke},
}