WagnerW77'

@inproceedings{DBLP:conf/mfcs/WagnerW77,
  author    = {Klaus W. Wagner and
               Gerd Wechsung},
  title     = {Complexity Hierarchies of Oracles},
  booktitle = {MFCS},
  year      = {1977},
  pages     = {543-548},
  ee        = {http://dx.doi.org/10.1007/3-540-08353-7_178},
  crossref  = {DBLP:conf/mfcs/1977},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/mfcs/1977,
  editor    = {Jozef Gruska},
  title     = {Mathematical Foundations of Computer Science 1977, 6th Symposium,
               Tatranska Lomnica, Czechoslovakia, September 5-9, 1977,
               Proceedings},
  booktitle = {MFCS},
  publisher = {Springer},
  series    = {Lecture Notes in Computer Science},
  volume    = {53},
  year      = {1977},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}