@inbook{schroeder2011nouveaux,
  address = {Cergy-Pontoise Cedex},
  author = {Schroeder, Wolfagang and Greef, Samuel},
  booktitle = {Relations sociales dans les services d’intérêt général. Une comparaison France-Allemagne},
  editor = {Hazouard, Solène and Lasserre, René and Uterwedde, Henrik},
  interhash = {1bb6ca8306f0e00597b8266c3ff993c7},
  intrahash = {101d378608ee107a0676aef0b2d1d96c},
  pages = {61-84},
  publisher = {CIRAC},
  title = {Nouveaux acteurs de la représentation des intérêts des salariés en Allemagne},
  year = 2011
}

@inbook{greef2011relations,
  address = {Cergy-Pontoise Cedex},
  author = {Greef, Samuel and Kalass, Viktoria},
  booktitle = {Relations sociales dans les services d’intérêt général. Une comparaison France-Allemagne},
  editor = {Hazouard, Solène and Lasserre, René and Uterwedde, Henrik},
  interhash = {c996bea732188f16d87cf2c49c707f22},
  intrahash = {4f3983c9c0a6d5d2c8b870ef2b3f952e},
  pages = {85-105},
  publisher = {CIRAC},
  title = {Les relations sociales à la Deutsche Bahn: nouveaux acteurs et évolution des rapports de force sur fond de privatisation et de libéralisation},
  year = 2011
}

@book{greef2011berufsgewerkschaften,
  address = {Wiesbaden},
  author = {Schroeder, Wolfgang and Kalass, Viktoria and Greef, Samuel},
  interhash = {fc787d475982ced77139e6b1695eede5},
  intrahash = {2ef8c301d5cfa90e36c773189fe6c4f9},
  publisher = {VS Verlag},
  title = {Berufsgewerkschaften in der Offensive. Vom Wandel des deutschen Gewerkschaftsmodells},
  year = 2011
}

@article{greef2010anhang,
  address = {Wiesbaden},
  author = {Greef, Samuel},
  booktitle = {Handbuch Arbeitgeber- und Wirtschaftsverbände in Deutschland. Ein Handbuch},
  editor = {Schroeder, Wolfgang and Weßels, Bernhard},
  interhash = {01c72b9186c16f81886961af69cb336d},
  intrahash = {d7d548b83d4c6c184f1e6f35c58575f9},
  pages = {483--526},
  publisher = {VS Verlag},
  title = {Anhang: Geschichte - Organisation - Basisdaten},
  year = 2010
}

@article{greef2010konkurrenz,
  address = {Düsseldorf},
  author = {Greef, Samuel},
  booktitle = {Gewerkschaften und die Politik der Erneuerung. Und sie bewegen sich doch},
  editor = {Greef, Samuel and Schroeder, Wolfgang and Kalass, Viktoria},
  interhash = {322314fefcece529e7e0b919e356b0bd},
  intrahash = {0e54af4313e9a1e920079b0595b79497},
  pages = {134--145},
  publisher = {HBS},
  series = {Edition der HBS 241},
  title = {Neue Konkurrenz in der Tarifpolitik - Der Marburger Bund},
  year = 2010
}

@article{greef2010erneuerungsdebatte,
  address = {Düsseldorf},
  author = {Greef, Samuel and Schroeder, Wolfgang and Kalass, Viktoria},
  booktitle = {Gewerkschaften und die Politik der Erneuerung. Und sie bewegen sich doch},
  editor = {Greef, Samuel and Schroeder, Wolfgang and Kalass, Viktoria},
  interhash = {048b993a565175330ca0d79f01953628},
  intrahash = {71993ef7243bd80dbc970814ebd0fb82},
  number = {13--17},
  publisher = {HBS},
  series = {Edition der HBS 241},
  title = {Gewerkschaftliche Erneuerungsdebatte},
  year = 2010
}

@book{greef2009berufsgewerkschaften,
  address = {München},
  author = {Greef, Samuel},
  interhash = {b0e048435d3de47e2204297a107ddde2},
  intrahash = {80763f7490484c9421edef5e6082564e},
  publisher = {AVM},
  title = {Berufsgewerkschaften. Kleine Arbeitnehmerverbände als Herausforderung für das deutsche Gewerkschaftsmodell},
  year = 2009
}

@article{greef2008industrie,
  author = {Greef, Samuel and Schroeder, Wolfgang},
  interhash = {8653dba9ad2d9f2a4ff5c9e95bec1bc0},
  intrahash = {0167c181af168e9ae0deda18c6550821},
  journal = {Industrielle Beziehungen},
  number = 4,
  pages = {329--355},
  title = {Industrie- und Spartengewerkschaften im Konflikt. Organisatorische Voraussetzungen und realisierte Gelegenheitsstrukturen},
  volume = 15,
  year = 2008
}

@article{greef2008linkspartei,
  address = {Wiesbaden},
  author = {Greef, Samuel and Schroeder, Wolfgang and Reschke, Michael},
  booktitle = {Parteien und Parteiensystem in Hessen. Vom Vier- zum Fünfparteiensystem?},
  editor = {Schroeder, Wolfgang},
  interhash = {766732d98429f950925cc3e6f6dd7ce9},
  intrahash = {6c570fede9d3948ec6d68dc18c149635},
  pages = {184--208},
  publisher = {VS},
  title = {Die Linkspartei in Hessen},
  year = 2008
}

@book{greef2008kleinegewerkschaften,
  address = {Düsseldorf},
  author = {Greef, Samuel and Schroeder, Wolfgang and Kalass, Viktoria},
  interhash = {2b28c248c1acb120dcfe22848eb0c0d6},
  intrahash = {698cd2a8d74b8769999badb43eeb87d3},
  publisher = {HBS},
  series = {Böckler Forschungsmonitoring 3},
  title = {Kleine Gewerkschaften und Berufsverbände im Wandel},
  year = 2008
}