@book{Appelfeller1995,
  author    = {Appelfeller, Wieland},
  title     = {Wiederverwendung im objektorientierten Softwareentwicklungsprozeß},
  volume    = {4},
  edition   = {1. Aufl.},
  publisher = {Lang},
  address   = {Frankfurt am Main},
  isbn      = {3-631-48675-8},
  pages     = {241 S. : graph. Darst.},
  year      = {1995},
  language  = {de}
}
@book{AppelfellerBuchholz2005,
  author    = {Appelfeller, Wieland and Buchholz, Wolfgang},
  title     = {Supplier-Relationship-Management},
  edition   = {1. Aufl.},
  publisher = {Gabler},
  address   = {Wiesbaden},
  isbn      = {3-409-12687-2},
  pages     = {XXIV, 349 S. : Ill., graph. Da},
  year      = {2005},
  language  = {de}
}
@book{AppelfellerBuchholz2006,
  author    = {Appelfeller, Wieland and Buchholz, Wolfgang},
  title     = {Supplier relationship management},
  edition   = {1.Aufl., Nachdr},
  publisher = {Gabler},
  address   = {Wiesbaden},
  isbn      = {3-409-12687-2},
  pages     = {XXIV, 349 S. : Ill., graph. Da},
  year      = {2006},
  language  = {de}
}
@article{BuchholzAppelfellerSchulteindenBaeumen2006,
  author    = {Buchholz, Wolfgang and Appelfeller, Wieland and Schulte in den B{\"a}umen, Marcus},
  title     = {Prozesse optimieren},
  series = {Beschaffung aktuell (BA)},
  journal   = {Beschaffung aktuell (BA)},
  number    = {12},
  year      = {2006},
  language  = {mul}
}
@article{BuchholzAppelfellerSchulteindenBaeumen2006,
  author    = {Buchholz, Wolfgang and Appelfeller, Wieland and Schulte in den B{\"a}umen, Marcus},
  title     = {Materialgruppenstrategie},
  series = {Beschaffung aktuell},
  journal   = {Beschaffung aktuell},
  number    = {11},
  year      = {2006},
  language  = {mul}
}
@article{BuchholzAppelfellerSchulteindenBaeumen2006,
  author    = {Buchholz, Wolfgang and Appelfeller, Wieland and Schulte in den B{\"a}umen, Marcus},
  title     = {Strategie, Prozesse und IT},
  series = {Beschaffung aktuell},
  journal   = {Beschaffung aktuell},
  number    = {10},
  year      = {2006},
  language  = {de}
}
@misc{Appelfeller2010,
  author    = {Appelfeller, Wieland},
  title     = {{\"U}berblick und Einf{\"u}hrung in das Thema Supplier Relationship Management, Dialogforum: Vom e-Procurement zum SRM, Wien Dezember 2010},
  year      = {2010},
  language  = {de}
}
@misc{Appelfeller2010,
  author    = {Appelfeller, Wieland},
  title     = {{\"U}berblick {\"u}ber SRM-Anwendungen, Dialogforum: Vom e-Procurement zum SRM, Wien Dezember 2010},
  year      = {2010},
  language  = {de}
}
@article{Appelfeller2010,
  author    = {Appelfeller, Wieland},
  title     = {Interview zum Thema SRM},
  series = {Efficient Extendet Enterprise},
  journal   = {Efficient Extendet Enterprise},
  number    = {Juli / August},
  pages     = {3 -- 4},
  year      = {2010},
  language  = {de}
}
@book{AppelfellerBuchholz2011,
  author    = {Appelfeller, Wieland and Buchholz, Wolfgang},
  title     = {Supplier Realtionship Management - Strategie, Organisation und IT des modernen Beschaffungsmanagements},
  edition   = {2.},
  publisher = {Gabler},
  address   = {Wiesbaden},
  isbn      = {978-3-8349-1809-3},
  pages     = {402},
  year      = {2011},
  language  = {de}
}