@book{WaS198,
  added-at = {2010-01-22T21:29:04.000+0100},
  address = {Dresden},
  author = {Wagner, Ralf},
  biburl = {http://www.bibsonomy.org/bibtex/2be142821af16ac92746bbfa66237cc86/rwagner},
  booktitle = {22nd Annual Conference of the German Classification Society},
  interhash = {3a5166788612667ac34b1423fdd8f32c},
  intrahash = {be142821af16ac92746bbfa66237cc86},
  keywords = {1998 Wettbewerbsinteraktionen_und_Competitive_Intelligence competitive_reaction contributed_talk marketing-mix scanner_data speech},
  timestamp = {2010-01-22T21:29:04.000+0100},
  title = {Modeling and Measuring of Competitive Reactions to Changes of Marketing Mix at the Retail Level},
  year = 1998
}

@book{WaDeS199,
  added-at = {2010-01-22T21:27:01.000+0100},
  address = {Vienna},
  author = {Wagner, Ralf},
  biburl = {http://www.bibsonomy.org/bibtex/24b6651a3ea394f8d636b2dffb9692ab9/rwagner},
  booktitle = {Workshop on Operations Reseach in Marketing},
  interhash = {ccc1151462326a9c8f20d0494f7c0d18},
  intrahash = {4b6651a3ea394f8d636b2dffb9692ab9},
  keywords = {1999 Wettbewerbsinteraktionen_und_Competitive_Intelligence competitive_reaction contributed_talk marketing-mix scanner_data speech},
  timestamp = {2010-01-22T21:27:01.000+0100},
  title = {Remarks on the Behavioristic Analysis of Competitive Reactions},
  year = 1999
}

@book{WaS201,
  added-at = {2010-01-22T21:14:24.000+0100},
  address = {Bergen},
  author = {Wagner, Ralf},
  biburl = {http://www.bibsonomy.org/bibtex/2a03e7f8fcbb4f8653041a24e868643a7/rwagner},
  booktitle = {30th Annual Conference of the European Marketing AcademyBer},
  interhash = {d4c157ff739203e6c1a0ebee6d8a3811},
  intrahash = {a03e7f8fcbb4f8653041a24e868643a7},
  keywords = {2001 Wettbewerbsinteraktionen_und_Competitive_Intelligence competitive_reaction contributed_talk marketing-mix reaction_lag speech},
  timestamp = {2010-01-22T21:14:24.000+0100},
  title = {Testing the Lag of Multiple Competitive Reactions},
  year = 2001
}