@article{FassbenderVoglerWedel1993,
  author    = {Faßbender, Heinz and Vogler, Heiko and Wedel, Andrea},
  title     = {An abstract machine for the E-Unification with macro tree transducer},
  series = {7th International Workshop on Unification : 13. 06. - 14. 06. 93 / Franz Baader ... (eds.). [Boston University, Boston, USA]},
  journal   = {7th International Workshop on Unification : 13. 06. - 14. 06. 93 / Franz Baader ... (eds.). [Boston University, Boston, USA]},
  year      = {1993},
  language  = {en}
}
@article{FassbenderWedel1992,
  author    = {Faßbender, Heinz and Wedel, Andrea},
  title     = {E-Unifikation mit macro tree transducer},
  series = {2. Arbeitstreffen Effiziente Implementierung Funktionaler Programmiersprachen / Arbeitstreffen Effiziente Implementierung Funktionaler Programmiersprachen <2, 1992, Oberjoch>. Herbert Klaeren},
  journal   = {2. Arbeitstreffen Effiziente Implementierung Funktionaler Programmiersprachen / Arbeitstreffen Effiziente Implementierung Funktionaler Programmiersprachen <2, 1992, Oberjoch>. Herbert Klaeren},
  publisher = {Wilhelm-Schickard-Inst. f{\"u}r Informatik, Univ.},
  address   = {T{\"u}bingen},
  isbn      = {0946-3852},
  pages     = {5 S.},
  year      = {1992},
  language  = {de}
}
@book{FassbenderVoglerWedel1994,
  author    = {Faßbender, Heinz and Vogler, Heiko and Wedel, Andrea},
  title     = {Implementation of a deterministic partial E-unification algorithm for macro tree transducers},
  publisher = {Univ. Ulm, Fak. f{\"u}r Informatik},
  address   = {Ulm},
  pages     = {62 S.},
  year      = {1994},
  language  = {en}
}