@book { SurvivaltreesanewmethodininnovationtheoryAsuccessfulintroductionofamethodcommonlyusedinsurvivalanalysisintothefieldofinnovationdiffusiontheory,
    title = "Survival trees - a new method in innovation theory: A successful introduction of a method commonly used in survival analysis into the field of innovation diffusion theory",
    author = "Burkhard {Freiherr von Wangenheim}",
    year = "2013",
    publisher = "Anchor Academic Publishing",
    address = "Hamburg, Germany",
    url = "https://m.anchor-publishing.com/document/287416"
}