@Article{	  DiekertW13cfBST,
  title		= "Context-{F}ree {G}roups and {B}ass-{S}erre {T}heory",
  journal	= "ArXiv e-prints",
  eprint	= "1307.8297",
  year		= "2013",
  author	= "Diekert, Volker and Wei{\ss}, Armin"
}