@techreport{HengelbrockTheissenWestheide2009,
  author    = {J{\"o}rdis Hengelbrock and Erik Theissen and Christian Westheide},
  title     = {Market response to investor sentiment : [This version June 15, 2009]},
  institution = {Wirtschaftswissenschaften},
  pages     = {23},
  year      = {2009},
}