@incollection{WaC11,
  address = {Bonn},
  author = {Wagner, Ralf},
  booktitle = {Praxishandbuch Social Media in Verb\"anden  Grundlagen - Praxiswissen - Fallbeispiele},
  editor = {Lietzau, Wolfgang and Bender, Jens and Richter, Tim},
  interhash = {fa1e07ced8d71dadec621a0e0db257d4},
  intrahash = {705317bf5c8daff7802752f732d15878},
  month = {Juni},
  pages = {90-104},
  publisher = {Deutsche Gesellschaft f\"ur Verbandsmanagement e.V. (DGVM)},
  title = {Neue Medien im Kundendialog -
Ein \"Uberblick zu den Kommunikationsdiensten des Web 2.0},
  year = 2011
}

@incollection{PaWaC09,
  address = {Bad Honnef},
  author = {Parwoll, Moritz and Wagner, Ralf},
  booktitle = {{A}ging {S}ociety and its {I}mplications on {S}ervice {M}arketing {A}pproaches in the {H}ospitality, {T}ourism and {T}ransport},
  editor = {Bornemeyer, Claudia and Schneider, J\"urgen},
  interhash = {0fdc27a037cceb3f86b08c232fd03221},
  intrahash = {5a894accfb147a62f0e2d8cd2032a2bb},
  pages = {19-40},
  publisher = {Bock},
  title = {{D}irect {M}arketing for {B}est-{A}gers: {I}n {D}ialogue with {C}hallenging {C}ustomers},
  year = 2011
}

@incollection{WaC11,
  author = {Wagner, Ralf},
  booktitle = {{G}reen {C}onsumerism},
  interhash = {f855425eb357a395906054f5cf1c9b94},
  intrahash = {4055aaf8b91aacc4469d26e08e43b016},
  pages = {460-465},
  publisher = {SAGE Publications},
  title = {{W}ebsites and {B}logs},
  volume = 6,
  year = 2011
}

@incollection{WaMi,
  address = {Frankfurt am Main},
  author = {Wagner, Ralf and Michaeli, Rainer},
  booktitle = {Sicherheit in Organisationen},
  editor = {Litzcke, Sven Max and M\"uller-Enbergs, Helmut},
  interhash = {4bb16760307b447fd4169d85b1d1bd4b},
  intrahash = {1a726c162e9d32a9662f5d23cd5c3013},
  pages = {13-31},
  publisher = {Verlag f\"ur Polizeiwissenschaft},
  title = {Competitive Intelligence},
  year = 2009
}

@incollection{DeWaC01c,
  address = {M\"unchen},
  author = {Decker, R. and Wagner, R.},
  booktitle = {{V}ahlens gro{\ss}es {M}arketing-{L}exikon},
  edition = 2,
  editor = {Diller, H.},
  interhash = {cbaaf6ba9f948fb6013d9e20eeed35d8},
  intrahash = {13d5bd3cac06aba126214baf2ed18708},
  pages = {982 - 984},
  publisher = {Vahlen},
  title = {{M}arketing-{I}nformationsysteme ({M}{A}{I}{S})},
  year = 2001
}

@incollection{DeWaC01b,
  address = {M\"unchen},
  author = {Decker, R. and Wagner, R.},
  booktitle = {{V}ahlens gro{\ss}es {M}arketing-{L}exikon},
  edition = 2,
  editor = {Diller, H.},
  interhash = {f505e30e95a7abcf1d9449625b288533},
  intrahash = {34757f8eed1c552219a27a0467d3df3a},
  pages = {805 - 808},
  publisher = {Vahlen},
  title = {{K}onkurrenzforschung ({C}ompetitive {I}ntelligence)},
  year = 2001
}

@incollection{DeWaC01a,
  address = {M\"unchen},
  author = {Decker, R. and Wagner, R.},
  booktitle = {{V}ahlens gro{\ss}es {M}arketing-{L}exikon},
  edition = 2,
  editor = {Diller, H.},
  interhash = {85484257715610e50fe0c3498200c5d5},
  intrahash = {9d6589dda4696dcc6e2f2285ed5075c8},
  pages = {255 - 258},
  publisher = {Vahlen},
  title = {{D}ata {M}ining},
  year = 2001
}

@incollection{DeWaC01,
  address = {M\"unchen},
  author = {Decker, R. and Wagner, R.},
  booktitle = {Vahlens gro{\ss}es Marketing-Lexikon},
  edition = 2,
  editor = {Diller, H.},
  interhash = {fecc09db0c61eeaadb6e99518d74ebe6},
  intrahash = {951e63d4ad2125d636ec3d61cf33e1d7},
  pages = 67,
  publisher = {Vahlen},
  title = {{A}ssoziationsanalyse},
  year = 2001
}

@incollection{WaC04,
  address = {Lohmar},
  author = {Wagner, R.},
  booktitle = {{V}ertriebs- und {K}undenmanagement: {M}arketingmethoden im {E}insatz},
  editor = {Decker, R. and Wartenberg, F.},
  interhash = {818d760bb48fd0ad4bd0eaf65b41e65a},
  intrahash = {c7ef468891c6e8fcc464a3a6c08ce3f0},
  pages = {231 -- 253},
  publisher = {Eul},
  title = {{K}undenmanagement in wachsenden {M}\"arkten},
  year = 2004
}

@techreport{ScWaW05,
  address = {Universit\"at Bielefeld},
  author = {Scholz, S. and Wagner, R.},
  institution = {Fakultät für Wirtschaftswissenschaften},
  interhash = {a39ac45dfc21b96739f575ded45f28be},
  intrahash = {e4b9d9d1e8726df2365a46f3f0670848},
  number = 537,
  title = {{A}utonomous {E}nvironmental {S}canning in the {W}orld {W}ide {W}eb},
  year = 2005
}

@incollection{WaC09h,
  address = {Thousand Oaks},
  author = {Wagner, R.},
  booktitle = {{E}ncyclopedia of {B}usiness in {T}oday's {W}orld},
  edition = 2,
  editor = {Wankel, Charles},
  interhash = {2cc74d50c5ae2a5b6ebd97e4039d7bb2},
  intrahash = {fffc41c2cead8a48e6fbb71fcb59a4d7},
  pages = {1713-1714},
  publisher = {Sage},
  title = {{W}holesale {S}ector},
  year = 2009
}

@incollection{WaC09f,
  address = {Thousand Oaks},
  author = {Wagner, R.},
  booktitle = {{E}ncyclopedia of {B}usiness in {T}oday's {W}orld},
  edition = 2,
  editor = {Wankel, Charles},
  interhash = {dae0f29dbc27d929c22dcad55fa8574d},
  intrahash = {123db0acd43aeb543b0129c96163f26b},
  pages = {1431-1433},
  publisher = {Sage},
  title = {{S}ervice {L}evel},
  year = 2009
}

@incollection{WaC09g,
  address = {Thousand Oaks},
  author = {Wagner, R.},
  booktitle = {{E}ncyclopedia of {B}usiness in {T}oday's {W}orld},
  edition = 2,
  editor = {Wankel, Charles},
  interhash = {90e8ba2fb7cdc74f7376cd92eddd2ece},
  intrahash = {b3b3231ef5274fd5ac16b8107573f406},
  pages = {1076-1077},
  publisher = {Sage},
  title = {{M}arket {I}mperfections {T}heory},
  year = 2009
}

@incollection{WaC09a,
  address = {Thousand Oaks},
  author = {Wagner, R.},
  booktitle = {{E}ncyclopedia of {B}usiness in {T}oday's {W}orld},
  editor = {Wankel, Charles},
  interhash = {451a0025474d0847e30776811ac4c391},
  intrahash = {3acc3e4f26cd6dd8a396cf24b9243e3e},
  pages = {141-142},
  publisher = {Sage},
  title = {{B}est {B}uy},
  url = {http://books.google.com/books?id=tG589-fsj1gC&lpg=PP1&hl=de&pg=PT205#v=onepage&q=&f=false},
  year = 2009
}

@incollection{WaCb09,
  address = {Thousand Oaks},
  author = {Wagner, R.},
  booktitle = {{E}ncyclopedia of {B}usiness in {T}oday's {W}orld},
  editor = {Wankel, Charles},
  interhash = {63e9caa19c6edc44e1dbba256e70e99e},
  intrahash = {5b14368350433d8e0f40e56961472219},
  pages = {260-262},
  publisher = {Sage},
  title = {{C}hicago {S}chool/{C}hicago {B}oys},
  year = 2009
}

@incollection{WaC09e,
  address = {Thousand Oaks},
  author = {Wagner, R.},
  booktitle = {{E}ncyclopedia of {B}usiness in {T}oday's {W}orld},
  editor = {Wankel, Charles},
  interhash = {1302a32423f2a92f60cdc31290898827},
  intrahash = {efb04919d5bae26f39e1156a0ca8dd49},
  pages = {859-863},
  publisher = {Sage},
  title = {{I}ndustrial {E}spionage},
  year = 2009
}

@incollection{WaCd09,
  address = {Thousand Oaks},
  author = {Wagner, R.},
  booktitle = {{E}ncyclopedia of {B}usiness in {T}oday's {W}orld},
  editor = {Wankel, Charles},
  interhash = {0e2a6ec7347e7ed0c10c80f54687ab62},
  intrahash = {f7703aa978f15823bed427153686d0cb},
  pages = {357-358},
  publisher = {Sage},
  title = {{C}ompetitive {A}dvantages of {N}ations},
  url = {http://books.google.com/books?id=tG589-fsj1gC&lpg=PP1&hl=de&pg=PT421#v=onepage&q=&f=false},
  year = 2009
}

@incollection{WaKlC08b,
  address = {Hershey},
  author = {Wagner, R. and Klaus, M.},
  booktitle = {{H}andbook of {R}esearch on {M}obile {B}usiness},
  edition = 2,
  editor = {Unhelkar, B.},
  interhash = {05ea12af2cb7db5a1815da75bc90521a},
  intrahash = {8a99471d5836acaee96776dd79469d31},
  pages = {269 - 281},
  publisher = {{I}{G}{I}},
  title = {{M}obile {D}irect {M}arketing},
  url = {http://books.google.de/books?hl=de&lr=&id=JlpFnu8hMK4C&oi=fnd&pg=PA269&dq=martin+klaus+%22ralf+Wagner%22&ots=GXB0O_sNC_&sig=Jdr05yCvx_U5h4YlXX9EGVWOioU#PPA269,M1},
  year = 2008
}

@incollection{WaKlC08a,
  address = {Hershey},
  author = {Wagner, R. and Klaus, M.},
  booktitle = {{H}andbook of {R}esearch on {M}obile {B}usiness},
  edition = 2,
  editor = {Unhelkar, B.},
  interhash = {0ba44faaa11cf8a9ecf601e900065fd8},
  intrahash = {b834cb1ae59dd297acf8d775ca58d470},
  pages = {245 - 259},
  publisher = {{I}{G}{I}},
  title = {{C}ultural {I}mpacts on the {S}pread of {M}obile {C}ommerce: {A}n {I}nternational {C}omparison},
  url = {http://www.igi-global.com/downloads/pdf/Unhelkar245.pdf},
  year = 2008
}

@incollection{DeWaC07,
  address = {Wiesbaden},
  author = {Decker, R. and Wagner, R.},
  booktitle = {{H}andw\"orterbuch der {M}arktforschung},
  editor = {Hermann, A. and Herrmann, A. and Klarmann, M.},
  interhash = {5e765e86086e075b5b832bf1f59103d1},
  intrahash = {761bd8cca17efc6e7ca37900b216082f},
  pages = {53 - 79},
  publisher = {Gabler},
  title = {{F}ehlende {W}erte: {U}rsachen, {K}onsequenzen und {B}ehandlung},
  url = {http://books.google.de/books?hl=de&lr=&id=K-vbr9_p-ncC&oi=fnd&pg=PA53&dq=wagner+Decker&ots=LLB2iTbWzq&sig=sSEuv7mGBGvWQHRO7RAbYl63F2g#PPA53,M1},
  year = 2007
}