@book { InnovationBehaviorTowardsConsumerGoodsofPeopleintheageGroup50andAboveinGermany,
    title = "Innovation Behavior Towards Consumer Goods of People in the age Group 50 and Above in Germany",
    author = "Sebastian {Hof}",
    year = "2012",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783842829596",
    url = "https://m.diplom.de/document/229184"
}