@book{MuellerLehrbuch4,
	address = {Berlin},
	author = {Stefan Müller},
	edition = {4},
	publisher = {Language Science Press},
	series = {Textbooks in Language Sciences},
	title = {{Head-Driven Phrase Structure Grammar: Eine Einführung}},
	year = {2025}}

@book{MuellerLehrbuch3,
  author      =	{Stefan M{\"u}ller},
  title	      =	{{Head-Driven Phrase Structure Grammar: Eine Einf{\"u}hrung}},
  edition     = {3},
  url         = {https://hpsg.hu-berlin.de/~stefan/Pub/hpsg-lehrbuch-stauffenburg.html},
  url_checked =	{26.02.2025},
  series      = {Stauffenburg Einf{\"u}hrungen},
  number      = 17,
  publisher   =	{Stauffenburg Verlag},
  address     =	{T{\"u}bingen},
  year	      =	2013
}

@book{MuellerLehrbuch2,
  author      =	{Stefan M{\"u}ller},
  title	      =	{{Head-Driven Phrase Structure Grammar: Eine Einf{\"u}hrung}},
  edition     = {2},
  url         = {https://hpsg.hu-berlin.de/~stefan/Pub/hpsg-lehrbuch-stauffenburg.html},
  url_checked =	{26.02.2025},
  series      = {Stauffenburg Einf{\"u}hrungen},
  number      = 17,
  publisher   =	{Stauffenburg Verlag},
  address     =	{T{\"u}bingen},
  year	      =	2008
}

@book{MuellerLehrbuch1,
  author      =	{Stefan M{\"u}ller},
  title	      =	{{Head-Driven Phrase Structure Grammar: Eine Einf{\"u}hrung}},
  edition     = {1},
  url         = {https://hpsg.hu-berlin.de/~stefan/Pub/hpsg-lehrbuch-stauffenburg.html},
  url_checked =	{26.02.2025},
  series      = {Stauffenburg Einf{\"u}hrungen},
  number      = 17,
  publisher   =	{Stauffenburg Verlag},
  address     =	{T{\"u}bingen},
  year	      =	2007
}