@incollection{Barmpalias2005ComputablyEnumerableSets,
  year      = 2005,
  publisher = {Springer},
  pages     = {8--17},
  author    = {G. Barmpalias},
  title     = {Computably Enumerable Sets in the Solovay and the Strong Weak Truth Table Degrees},
  booktitle = {New Comput. Paradigms},
}