@inproceedings{DBLP:conf/tamc/AfshariBC06,
  title = "Immunity Properties and the {\it n}-C.E. Hierarchy",
  author = "Bahareh Afshari and George Barmpalias and S. Barry Cooper",
  year = "2006",
  booktitle = "TAMC",
  editor = "{Jin-yi} Cai and S. Barry Cooper and Angsheng Li",
  pages = "694-703",
  publisher = "Springer",
  series = "Lecture Notes in Computer Science",
  volume = "3959",
  doi = "10.1007/11750321_65",
}