@InCollection{	  DiekertW17crm,
  author	= "Volker Diekert and Armin Wei{\ss}",
  editor	= "Gonz{\'a}lez-Meneses, Juan and Lustig, Martin and Ventura,
		  Enric",
  title		= "Context-{F}ree {G}roups and {B}ass-{S}erre {T}heory",
  booktitle	= "Algorithmic and Geometric Topics Around Free Groups and
		  Automorphisms",
  series	= "Advanced Courses in Mathematics - CRM Barcelona",
  year		= "2017",
  publisher	= "Birkh{\"a}user",
  address	= "Basel, Switzerland",
  isbn		= "978-3-319-60939-3",
  doi		= "10.1007/978-3-319-60940-9",
  url		= "http://dx.doi.org/10.1007/978-3-319-60940-9"
}