@misc{BalzJahnWulf1999,
  author    = {Ulrich Balz and Peer Walter Jahn and Volker Wulf},
  title     = {Internet-Studie "Investor Realations 1999"},
  booktitle = {ProfNet Praxis-Studien zum Internet},
  institution = {Wirtschaft (MSB)},
  type      = {contributiontoperiodical},
  year        = {1999},
}